Numbers

Whole Numbers - Place value and total value of digits up to tens of thousands

By the end of the lesson, the learner should be able to:

- Use place value of digits up to tens of thousands in daily life situations.
- Show interest in using place value in solving day to day activities.

- In pairs/groups, learners identify place value of numbers up to tens of thousands using place value apparatus.
-Learners practice identifying total values of digits up to ten thousand.

What do you consider when writing numbers in words?

KLB Mathematics Grade 4 Learner's Book pg. 1
- Place value apparatus
- Number charts
- Number cards

- Observation - Oral questions - Written assignments

Numbers

Whole Numbers - Total value of digits up to tens of thousands
Whole Numbers - Reading and writing numbers up to 10,000 in symbols
Whole Numbers - Reading and writing numbers up to 1,000 in words
Whole Numbers - Ordering numbers up to 1,000

By the end of the lesson, the learner should be able to:

- Identify total values of digits up to tens of thousands in daily life situations.
- Show interest in identifying total values of digits.

- In pairs, learners use place value charts to identify total values of digits up to ten thousand.
-Learners practice writing a 5-digit number and identifying the total value of each digit in the number.

Why do we determine the place value of a digit in a number?

KLB Mathematics Grade 4 Learner's Book pg. 5
- Place value apparatus
- Place value charts
- Number cards
KLB Mathematics Grade 4 Learner's Book pg. 6
- Number charts
- Abacus
KLB Mathematics Grade 4 Learner's Book pg. 9
- Flash cards
KLB Mathematics Grade 4 Learner's Book pg. 12
- Number cards
- Number line

- Observation - Oral questions - Written assignments

Numbers

Whole Numbers - Rounding off numbers up to 1,000 to the nearest ten
Whole Numbers - Factors of numbers up to 50
Whole Numbers - Multiples of numbers up to 100
Whole Numbers - Multiples of numbers 6 to 10

By the end of the lesson, the learner should be able to:

- Round off numbers up to 1,000 to the nearest ten in different situations.
- Show interest in rounding off numbers.

- In pairs or groups or individually, learners round off numbers up to 1,000 to the nearest ten and share with others.
-Learners practice estimating and then measuring actual lengths of objects.

How do you round off numbers to the nearest ten?

KLB Mathematics Grade 4 Learner's Book pg. 13
- Number line
- Number cards
- Measuring tools
KLB Mathematics Grade 4 Learner's Book pg. 16
- Multiplication tables
- Counters
KLB Mathematics Grade 4 Learner's Book pg. 19
- Number charts
KLB Mathematics Grade 4 Learner's Book pg. 20

- Observation - Oral questions - Written assignments

Numbers

Whole Numbers - Even and odd numbers up to 100
Whole Numbers - Patterns involving even and odd numbers

By the end of the lesson, the learner should be able to:

- Use even and odd numbers up to 100 in different situations.
- Develop interest in identifying even and odd numbers.

- In groups, learners identify even and odd numbers up to 100 and share with others.
-Learners practice arranging bottle tops in pairs to identify even and odd numbers.

How can you distinguish between even and odd numbers?

KLB Mathematics Grade 4 Learner's Book pg. 20
- Bottle tops
- Number cards
- Number charts
KLB Mathematics Grade 4 Learner's Book pg. 21
- Number charts
- Digital devices

- Observation - Oral questions - Written assignments

Numbers

Whole Numbers - Roman numerals up to X
Addition - Addition up to two 4-digit numbers with single regrouping

By the end of the lesson, the learner should be able to:

- Represent Hindu Arabic numerals using Roman numerals up to 'X' in different situations.
- Appreciate use of whole numbers in real life situations.

- In groups, learners write Hindu Arabic numerals using Roman numerals up to 'X' using number charts.
-In groups, learners use digital devices to play digital games involving whole numbers.

Why do we use Roman numerals?

KLB Mathematics Grade 4 Learner's Book pg. 22
- Number charts
- Flash cards
- Digital devices
KLB Mathematics Grade 4 Learner's Book pg. 23
- Number cards
- Place value charts
- Place value apparatus

- Observation - Oral questions - Written assignments

Numbers

Addition - Addition of 4-digit to 2-digit numbers
Addition - Addition of 4-digit to 3-digit numbers

By the end of the lesson, the learner should be able to:

- Add a 4-digit number to a 2-digit number with regrouping.
- Appreciate addition in solving day to day problems.

- In groups, learners practice adding 4-digit numbers to 2-digit numbers using place value charts.
-Learners solve real-life problems involving addition of 4-digit and 2-digit numbers.

How can addition help us solve daily problems?

KLB Mathematics Grade 4 Learner's Book pg. 25
- Number cards
- Place value charts
- Place value apparatus
KLB Mathematics Grade 4 Learner's Book pg. 26

- Observation - Oral questions - Written assignments

Numbers

Addition - Addition up to two 4-digit numbers with double regrouping
Addition - Estimating sum by rounding off numbers

By the end of the lesson, the learner should be able to:

- Add up to two 4-digit numbers with double regrouping up to a sum of 10,000 in real life situations.
- Show interest in addition of numbers.

- In groups, learners add up to two 4-digit numbers with double regrouping up to a sum of 10,000 in real life situations.
-Learners practice solving addition problems with double regrouping.

How do you add numbers with double regrouping?

KLB Mathematics Grade 4 Learner's Book pg. 27
- Number cards
- Place value charts
- Place value apparatus
KLB Mathematics Grade 4 Learner's Book pg. 28
- Number charts
- Number line

- Observation - Oral questions - Written assignments

Numbers

Addition - Estimating sums of 3-digit and 4-digit numbers
Addition - Creating patterns involving addition

By the end of the lesson, the learner should be able to:

- Estimate sums of 3-digit and 4-digit numbers by rounding off.
- Develop interest in estimation.

- In pairs, learners practice estimating sums of 3-digit and 4-digit numbers by rounding off to the nearest ten.
-Learners compare estimated answers with actual answers.

Why is estimation important in real life?

KLB Mathematics Grade 4 Learner's Book pg. 29
- Number charts
- Number cards
- Number line
KLB Mathematics Grade 4 Learner's Book pg. 30
- Digital devices
- Number charts

- Observation - Oral questions - Written assignments

Numbers

Addition - Solving word problems involving addition
Subtraction - Subtraction up to 4-digit numbers without regrouping

By the end of the lesson, the learner should be able to:

- Solve word problems involving addition.
- Appreciate addition in real life situations.

- In groups, learners discuss and solve word problems involving addition.
-Learners create their own word problems involving addition.

How can we apply addition to solve real life problems?

KLB Mathematics Grade 4 Learner's Book pg. 32
- Number cards
- Place value charts
- Word problem cards
KLB Mathematics Grade 4 Learner's Book pg. 33
- Place value apparatus
- Number charts

- Observation - Oral questions - Written assignments

Numbers

Subtraction - Subtraction of a 2-digit number from a 4-digit number
Subtraction - Subtraction of a 3-digit number from a 4-digit number

By the end of the lesson, the learner should be able to:

- Subtract a 2-digit number from a 4-digit number without regrouping.
- Show interest in subtraction of numbers.

- In pairs, learners practice subtracting 2-digit numbers from 4-digit numbers without regrouping.
-Learners solve real-life problems involving subtraction.

How do you subtract a 2-digit number from a 4-digit number?

KLB Mathematics Grade 4 Learner's Book pg. 34
- Place value apparatus
- Number cards
- Number charts
KLB Mathematics Grade 4 Learner's Book pg. 35

- Observation - Oral questions - Written assignments

Numbers

Subtraction - Subtraction up to 4-digit numbers with regrouping
Subtraction - Subtraction with double regrouping

By the end of the lesson, the learner should be able to:

- Subtract up to 4-digit numbers with regrouping in real life situations.
- Show interest in subtraction of numbers.

- In pairs, learners subtract up to 4-digit numbers with regrouping using number cards.
-Learners practice solving subtraction problems with regrouping.

How do you subtract numbers with regrouping?

KLB Mathematics Grade 4 Learner's Book pg. 35
- Place value apparatus
- Number cards
- Number charts
KLB Mathematics Grade 4 Learner's Book pg. 36

- Observation - Oral questions - Written assignments

Numbers

Subtraction - Estimating difference by rounding off numbers
Subtraction - Estimating differences between 3-digit and 4-digit numbers

By the end of the lesson, the learner should be able to:

- Estimate difference by rounding off numbers to the nearest ten in different contexts.
- Appreciate estimating differences in daily life.

- In groups, learners approximate and work out difference by rounding off the numbers to the nearest ten in real life situations.
-Learners practice estimating answers before calculating exact answers.

How do you estimate the difference of given numbers?

KLB Mathematics Grade 4 Learner's Book pg. 38
- Number line
- Number charts
- Number cards
KLB Mathematics Grade 4 Learner's Book pg. 39

- Observation - Oral questions - Written assignments

Numbers

Subtraction - Creating patterns involving subtraction
Multiplication - Multiplication of up to 2-digit number by multiples of 10

By the end of the lesson, the learner should be able to:

- Create patterns involving subtraction from up to 10,000.
- Appreciate application of subtraction of numbers in real life situations.

- In groups, learners generate patterns involving subtraction of numbers up to 10,000.
-In pairs or groups, learners play games involving subtraction using digital device or other resources.

How do you create patterns involving subtraction?

KLB Mathematics Grade 4 Learner's Book pg. 40
- Number cards
- Digital devices
- Number charts
KLB Mathematics Grade 4 Learner's Book pg. 43
- Multiplication tables
- Digital devices

- Observation - Oral questions - Written assignments

Numbers

Multiplication - Multiplication of 1-digit number by multiples of 10
Multiplication - Multiplication of 2-digit by 1-digit without regrouping

By the end of the lesson, the learner should be able to:

- Multiply a 1-digit number by multiples of 10.
- Show interest in multiplication of numbers.

- In pairs, learners multiply 1-digit numbers by multiples of 10 using number cards.
-Learners solve word problems involving multiplication by multiples of 10.

How can we multiply numbers by multiples of 10?

KLB Mathematics Grade 4 Learner's Book pg. 44
- Number cards
- Multiplication tables
- Digital devices
KLB Mathematics Grade 4 Learner's Book pg. 45
- Counters
- Multiplication tables

- Observation - Oral questions - Written assignments

Numbers

Multiplication - Multiplication of 2-digit by 1-digit with regrouping
Multiplication - Multiplication of 2-digit by 2-digit without regrouping

By the end of the lesson, the learner should be able to:

- Multiply a 2-digit number by a 1-digit number with regrouping.
- Show interest in multiplication.

- In groups, learners practice multiplying 2-digit numbers by 1-digit numbers with regrouping.
-Learners solve word problems involving multiplication.

Why do we regroup in multiplication?

KLB Mathematics Grade 4 Learner's Book pg. 46
- Number cards
- Counters
- Multiplication tables
KLB Mathematics Grade 4 Learner's Book pg. 45
- Multiplication tables
- Multiplication charts

- Observation - Oral questions - Written assignments

Numbers

Multiplication - Multiplication of 2-digit by 2-digit with regrouping
Multiplication - Estimating products by rounding off numbers

By the end of the lesson, the learner should be able to:

- Multiply up to a two-digit number by two-digit number with regrouping.
- Develop interest in multiplication of numbers.

- In pairs or groups, learners multiply up to a two-digit number by two-digit number with regrouping and prepare a corresponding multiplication chart.
-Learners practice solving multiplication problems.

Why do we regroup when multiplying numbers?

KLB Mathematics Grade 4 Learner's Book pg. 47
- Counters
- Multiplication tables
- Multiplication charts
KLB Mathematics Grade 4 Learner's Book pg. 48
- Number line
- Number charts
- Number cards

- Observation - Oral questions - Written assignments

Numbers

Multiplication - Creating patterns involving multiplication
Division - Division of 2-digit by 1-digit without remainder

By the end of the lesson, the learner should be able to:

- Create patterns involving multiplication with product not exceeding 100.
- Appreciate application of multiplication of numbers in real life situation.

- In groups, learners generate patterns involving multiplication with products not exceeding 100 and prepare multiplication charts using locally available materials.
-In groups, learners play digital games on multiplication.

How do you create patterns involving multiplication?

KLB Mathematics Grade 4 Learner's Book pg. 50
- Multiplication charts
- Digital devices
- Number cards
KLB Mathematics Grade 4 Learner's Book pg. 52
- Number cards
- Division charts
- Counters

- Observation - Oral questions - Written assignments

Numbers

Division - Division as equal sharing
Division - Division as equal grouping

By the end of the lesson, the learner should be able to:

- Divide objects into equal groups.
- Appreciate division as equal sharing.

- In groups, learners share objects equally among themselves.
-Learners practice dividing objects into equal groups and recording the results.

How is division related to equal sharing?

KLB Mathematics Grade 4 Learner's Book pg. 53
- Counters
- Bottle tops
- Number cards
KLB Mathematics Grade 4 Learner's Book pg. 54

- Observation - Oral questions - Written assignments

Numbers

Division - Division of 2-digit by 1-digit with remainder

By the end of the lesson, the learner should be able to:

- Divide up to a two-digit number by a one-digit number with remainder.
- Show interest in division of numbers.

- In groups, learners carry out division up to a two-digit number by a one-digit number with remainder and prepare division charts.
-Learners practice solving division problems with remainders.

How do you deal with remainders when dividing?

KLB Mathematics Grade 4 Learner's Book pg. 54
- Number cards
- Division charts
- Counters

- Observation - Oral questions - Written assignments

Numbers

Division - Using long form of division
Division - Relationship between multiplication and division

By the end of the lesson, the learner should be able to:

- Use long form of division to divide numbers.
- Appreciate different methods of division.

- In groups, learners practice using the long form of division.
-Learners solve division problems using the long form.

Why do we use the long form of division?

KLB Mathematics Grade 4 Learner's Book pg. 56
- Number cards
- Division charts
- Counters
KLB Mathematics Grade 4 Learner's Book pg. 57
- Multiplication tables
- Number cards

- Observation - Oral questions - Written assignments

Numbers
Measurement

Division - Solving word problems involving division
Division - Using digital resources for division
Length - Centimetre as a unit of measuring length

By the end of the lesson, the learner should be able to:

- Solve word problems involving division.
- Show interest in application of division.

- In groups, learners discuss and solve word problems involving division.
-Learners create their own word problems involving division.

How can we apply division to solve real life problems?

KLB Mathematics Grade 4 Learner's Book pg. 59
- Number cards
- Division charts
- Word problem cards
KLB Mathematics Grade 4 Learner's Book pg. 60
- Digital devices
- Calculator
- Educational apps
KLB Mathematics Grade 4 Learner's Book pg. 91
- Metre ruler
- Tape measure
- Objects for measurement

- Observation - Oral questions - Written assignments

Measurement

Length - Measuring length in centimetres
Length - Estimating and measuring length in centimetres
Length - Relationship between metres and centimetres
Length - Converting metres to centimetres

By the end of the lesson, the learner should be able to:

- Measure length in centimetres in real life situations.
- Develop interest in measuring length in centimetres.

- In pairs, learners measure the length of a given object in centimetres using a metre ruler or a tape measure.
-Learners practice measuring various objects in the classroom.

Why do we measure distance in real life?

KLB Mathematics Grade 4 Learner's Book pg. 92
- Metre ruler
- Tape measure
- Various classroom objects
KLB Mathematics Grade 4 Learner's Book pg. 94
- Various objects
KLB Mathematics Grade 4 Learner's Book pg. 95
- String
- Measuring tape
KLB Mathematics Grade 4 Learner's Book pg. 96
- Conversion tables

- Observation - Oral questions - Written assignments

Measurement

Length - Converting centimetres to metres
Length - Perimeter of plane figures
Length - Addition involving length in metres and centimetres
Length - Subtraction involving length in metres and centimetres

By the end of the lesson, the learner should be able to:

- Convert centimetres to metres in real life situation.
- Show interest in conversion of units.

- In pairs, learners convert centimetres into metres using whole numbers, decimals or fractions in real life situations.
-Learners practice converting measurements from centimetres to metres.

When would you need to convert centimetres to metres?

KLB Mathematics Grade 4 Learner's Book pg. 97
- Metre ruler
- Conversion tables
- Measuring tape
KLB Mathematics Grade 4 Learner's Book pg. 98
- Ruler
- Shape cutouts
KLB Mathematics Grade 4 Learner's Book pg. 99
- Tape measure
- Number cards
- Place value chart
KLB Mathematics Grade 4 Learner's Book pg. 102

- Observation - Oral questions - Written assignments

Measurement

Length - Multiplication involving metres and centimetres
Length - Division involving metres and centimetres

By the end of the lesson, the learner should be able to:

- Carryout multiplication involving metres and centimetres in real life situations.
- Show interest in multiplication of length measurements.

- In groups, learners work out multiplication involving metres and centimetres.
-Learners practice solving real-life problems involving multiplication of length measurements.

How can multiplication help us with length measurements?

KLB Mathematics Grade 4 Learner's Book pg. 104
- Metre ruler
- Tape measure
- Number cards
- Place value chart
KLB Mathematics Grade 4 Learner's Book pg. 105

- Observation - Oral questions - Written assignments

Measurement

Area - Comparing area of surfaces by direct manipulation
Area - Calculating area by counting unit squares

By the end of the lesson, the learner should be able to:

- Compare the area of given surfaces by direct manipulation.
- Show interest in comparing areas of surfaces.

- In groups, learners compare area of two surfaces directly by placing one surface on the other.
-Learners practice comparing areas of different surfaces by direct manipulation.

How do you work out area of different surfaces?

KLB Mathematics Grade 4 Learner's Book pg. 106
- Paper cutouts
- Different shapes
- Objects with flat surfaces
KLB Mathematics Grade 4 Learner's Book pg. 108
- Unit square cutouts
- Grid paper
- Locally available materials

- Observation - Oral questions - Written assignments

Measurement

Area - Area of a square by counting unit squares
Area - Area of a rectangle by counting unit squares

By the end of the lesson, the learner should be able to:

- Calculate area of squares by counting unit squares.
- Show interest in calculating area of squares.

- In groups, learners use unit square cutouts to cover square surfaces.
-Learners practice counting unit squares to find area of squares.

How do you find the area of a square?

KLB Mathematics Grade 4 Learner's Book pg. 109
- Unit square cutouts
- Square shapes
- Grid paper
KLB Mathematics Grade 4 Learner's Book pg. 110
- Rectangular shapes

- Observation - Oral questions - Written assignments

Measurement

Area - Area of squares as product of rows and columns
Area - Area of rectangles as product of rows and columns

By the end of the lesson, the learner should be able to:

- Calculate area of squares as a product of number of rows and columns.
- Show interest in calculating area of squares.

- In pairs, learners establish area of a square is same as number of rows multiplied by number of columns.
-Learners practice calculating area of squares using rows and columns.

How is multiplying rows by columns related to area?

KLB Mathematics Grade 4 Learner's Book pg. 112
- Grid paper
- Square shapes
- Unit square cutouts
KLB Mathematics Grade 4 Learner's Book pg. 113
- Rectangular shapes

- Observation - Oral questions - Written assignments

Measurement

Area - Finding area of squares and rectangles
Volume - Piling objects into stacks of cubes

By the end of the lesson, the learner should be able to:

- Calculate area of squares and rectangles using different methods.
- Appreciate use of rows and columns in calculating area of squares and rectangles in real life situations.

- In groups, learners calculate area of various squares and rectangles using rows and columns.
-In pairs, learners play games involving area of rectangles and squares using digital devices and other resources.

How can we find the area of shapes in real life?

KLB Mathematics Grade 4 Learner's Book pg. 115
- Grid paper
- Digital devices
- Square and rectangular shapes
KLB Mathematics Grade 4 Learner's Book pg. 118
- Cubes
- Cuboids
- Building blocks

- Observation - Oral questions - Written assignments

Measurement

Volume - Piling objects into stacks of cuboids
Volume - Working out volume of cuboids by piling blocks

By the end of the lesson, the learner should be able to:

- Pile objects into stacks of cuboids in real life situations.
- Appreciate piling objects in real life.

- In groups, learners arrange and pile objects to form cuboids of different sizes.
-Learners use matchboxes to build different stacks of cuboids.

How can we use stacking to understand volume?

KLB Mathematics Grade 4 Learner's Book pg. 119
- Matchboxes
- Building blocks
- Cuboid shapes
KLB Mathematics Grade 4 Learner's Book pg. 120
- Unit cubes
- Matchboxes

- Observation - Oral questions - Written assignments

Measurement

Volume - Working out volume of cubes by piling blocks
Volume - Volume of cubes and cuboids

By the end of the lesson, the learner should be able to:

- Calculate the volume of cubes by piling blocks to form a cube.
- Appreciate volume of cubes in real life.

- In groups, learners count the number of objects in the pile that makes a cube to determine the volume.
-Learners practice calculating volume of different cubes by counting blocks.

How do you find the volume of a cube?

KLB Mathematics Grade 4 Learner's Book pg. 121
- Unit cubes
- Building blocks
- Matchboxes
KLB Mathematics Grade 4 Learner's Book pg. 123
- Digital devices
- Building blocks

- Observation - Oral questions - Written assignments

Measurement

Capacity - Measuring capacity in litres
Capacity - Making litre containers

By the end of the lesson, the learner should be able to:

- Measure capacity in litres in real life situations.
- Show interest in measuring capacity.

- In groups, learners measure capacity of containers using a one litre container in real life situations.
-Learners practice measuring capacity of different containers in litres.

How can you measure capacity using arbitrary units?

KLB Mathematics Grade 4 Learner's Book pg. 125
- 1 litre container
- Various containers
- Water
KLB Mathematics Grade 4 Learner's Book pg. 126
- Locally available materials
- Water or sand

- Observation - Oral questions - Written assignments

Measurement

Capacity - Measuring capacity in ½ litres
Capacity - Measuring capacity in ¼ litres

By the end of the lesson, the learner should be able to:

- Measure capacity in ½ litres in real life situations.
- Show interest in measuring capacity in ½ litres.

- In pairs, learners make ½ litre containers from locally available materials through filling and emptying the container with substances such as water or sand using a 1 litre container.
-In groups, learners use ½ litre containers to measure capacity of other containers.

When would you measure capacity in ½ litres?

KLB Mathematics Grade 4 Learner's Book pg. 127
- 1 litre container
- ½ litre container
- Various containers
- Water or sand
KLB Mathematics Grade 4 Learner's Book pg. 128
- ¼ litre container

- Observation - Oral questions - Written assignments

Measurement

Capacity - Addition of capacity in litres
Capacity - Subtraction of capacity in litres

By the end of the lesson, the learner should be able to:

- Work out addition of capacity in litres in real life situations.
- Show interest in addition of capacity.

- In groups, learners add capacity involving litres in real life situations.
-Learners practice solving problems involving addition of capacity.

When do we need to add capacity measurements in real life?

KLB Mathematics Grade 4 Learner's Book pg. 128
- Containers of known capacity
- Number cards
- Place value charts
KLB Mathematics Grade 4 Learner's Book pg. 130

- Observation - Oral questions - Written assignments

Measurement

Capacity - Using digital devices for capacity
Mass - Using a kilogram mass to measure mass of objects

By the end of the lesson, the learner should be able to:

- Use digital devices to learn about capacity.
- Appreciate use of the litre as a unit of measuring capacity in real life situations.

- In pairs, learners play games involving capacity using containers of different capacities or digital devices for digital games.
-Learners practice solving problems involving capacity using digital tools.

How can technology help us learn about capacity?

KLB Mathematics Grade 4 Learner's Book pg. 131
- Digital devices
- Digital games
- Educational apps
KLB Mathematics Grade 4 Learner's Book pg. 132
- 1 kg mass
- Beam balance
- Various objects

- Observation - Oral questions - Written assignments

Measurement

Mass - Using ½ kg masses to measure mass of objects
Mass - Using ¼ kg masses to measure mass of objects

By the end of the lesson, the learner should be able to:

- Use ½ kg masses to measure masses of different objects practically.
- Appreciate measuring mass using different units.

- In pairs, learners make a ½ kg mass and use it to measure mass of given objects using a beam balance.
-Learners practice measuring mass of different objects using ½ kg masses.

When would you measure mass in ½ kg?

KLB Mathematics Grade 4 Learner's Book pg. 133
- ½ kg mass
- Beam balance
- Various objects
- Sand or soil
KLB Mathematics Grade 4 Learner's Book pg. 134
- ¼ kg mass
- Electronic balance

- Observation - Oral questions - Written assignments

Measurement

Mass - Mass in kilogram and ½ kilogram
Mass - Addition of mass in kilograms

By the end of the lesson, the learner should be able to:

- Relate kilograms to ½ kg and ¼ kg.
- Appreciate relationship between units of mass.

- Learners practice converting between kilograms, ½ kg, and ¼ kg.
-Learners solve problems involving conversion between units of mass.

How are different units of mass related?

KLB Mathematics Grade 4 Learner's Book pg. 135
- 1 kg mass
- ½ kg mass
- ¼ kg mass
- Beam balance
KLB Mathematics Grade 4 Learner's Book pg. 136
- Beam balance
- Number cards
- Place value charts

- Observation - Oral questions - Written assignments

Measurement

Mass - Subtraction of mass in kilograms
Time - Reading and telling time in a.m. and p.m.

By the end of the lesson, the learner should be able to:

- Subtract mass involving kilograms in real life situations.
- Appreciate subtraction of mass measurements.

- In groups, learners subtract mass involving kilograms (kg).
-Learners practice solving problems involving subtraction of mass.

When do we need to subtract mass measurements in real life?

KLB Mathematics Grade 4 Learner's Book pg. 137
- Beam balance
- Number cards
- Place value charts
KLB Mathematics Grade 4 Learner's Book pg. 138
- Analogue clocks
- Digital clocks
- Time charts

- Observation - Oral questions - Written assignments

Measurement

Time - Estimating time using a.m. and p.m.

By the end of the lesson, the learner should be able to:

- Estimate time using a.m. and p.m. in real life situations.
- Appreciate estimating time.

- In groups, learners estimate time of the day using the shadow of a building or a tree that is in a convenient location.
-Learners practice estimating time based on different clues.

How do you estimate time?

KLB Mathematics Grade 4 Learner's Book pg. 139
- Analogue clocks
- Digital clocks
- Objects that cast shadows

- Observation - Oral questions - Written assignments

Measurement

Time - Converting hours to minutes
Time - Converting minutes to hours

By the end of the lesson, the learner should be able to:

- Convert hours to minutes in real life situations.
- Show interest in conversion of units of time.

- In groups, learners change hours to minutes in real life situations.
-Learners practice converting from hours to minutes.

Why do we need to convert between units of time?

KLB Mathematics Grade 4 Learner's Book pg. 141
- Analogue clocks
- Digital clocks
- Time conversion charts
KLB Mathematics Grade 4 Learner's Book pg. 142

- Observation - Oral questions - Written assignments

Measurement

Time - Converting days into hours
Time - Converting hours into days

By the end of the lesson, the learner should be able to:

- Convert days into hours in real life situations.
- Show interest in conversion between days and hours.

- In groups, learners change days to hours in real life situations.
-Learners practice converting from days to hours.

How many hours are there in a day?

KLB Mathematics Grade 4 Learner's Book pg. 143
- Time conversion charts
- Calendars
- Number line

- Observation - Oral questions - Written assignments

Measurement

Time - Converting weeks into days
Time - Converting days into weeks

By the end of the lesson, the learner should be able to:

- Convert weeks into days in real life situations.
- Show interest in conversion between weeks and days.

- In groups, learners change weeks to days in real life situations.
-Learners practice converting from weeks to days.

How many days are there in a week?

KLB Mathematics Grade 4 Learner's Book pg. 144
- Time conversion charts
- Calendars
- Number line
KLB Mathematics Grade 4 Learner's Book pg. 145

- Observation - Oral questions - Written assignments

Measurement

Time - Recording time durations in hours and minutes
Time - Addition of units of time

By the end of the lesson, the learner should be able to:

- Record time durations in hours and minutes in real life situations.
- Show interest in recording time durations.

- In groups, learners measure and record duration of events in hours and minutes using digital and analogue clocks.
-Learners practice recording time taken to complete various activities.

Why do we need to record time durations?

KLB Mathematics Grade 4 Learner's Book pg. 146
- Stopwatch
- Digital watches
- Analogue clocks
KLB Mathematics Grade 4 Learner's Book pg. 147
- Clocks
- Number cards
- Place value charts

- Observation - Oral questions - Written assignments

Measurement

Time - Subtraction of units of time
Time - Using digital clock

By the end of the lesson, the learner should be able to:

- Work out subtraction involving units of time in real life situations.
- Show interest in subtraction of time durations.

- In groups, learners work out subtraction involving units of time in real life situations.
-Learners practice solving problems involving subtraction of time.

When do we need to subtract time in real life?

KLB Mathematics Grade 4 Learner's Book pg. 149
- Clocks
- Number cards
- Place value charts
KLB Mathematics Grade 4 Learner's Book pg. 150
- Digital clocks
- Electronic watches
- Digital devices

- Observation - Oral questions - Written assignments

Measurement

Money - Converting shillings into cents
Money - Converting cents into shillings

By the end of the lesson, the learner should be able to:

- Convert shillings into cents in different contexts.
- Show interest in conversion between units of money.

- Learners in pairs/groups discuss and convert shillings into cents using real/imitation money in different contexts.
-Learners practice converting from shillings to cents.

Why do we need to convert between shillings and cents?

KLB Mathematics Grade 4 Learner's Book pg. 151
- Real/imitation money
- Conversion charts
- Number cards
KLB Mathematics Grade 4 Learner's Book pg. 152

- Observation - Oral questions - Written assignments

Measurement

Money - Preparing a shopping list of three items
Money - Working out total cost of items

By the end of the lesson, the learner should be able to:

- Prepare a shopping list of three items in real life situation.
- Show interest in preparing shopping lists.

- Learners in pairs/groups are guided on how to come up with a shopping list of food items that they may require at school or at home.
-Learners practice creating shopping lists for different occasions.

Why do we prepare shopping list?

KLB Mathematics Grade 4 Learner's Book pg. 153
- Price lists
- Shopping catalogs
- Charts
- Calculator

- Observation - Oral questions - Written assignments

Measurement
GEOMETRY

Money - Preparing a class model shop
Money - Role playing shopping activities
Position and Direction - Clockwise and anti-clockwise turns

By the end of the lesson, the learner should be able to:

- Prepare a class model shop for shopping activities.
- Show interest in shopping activities.

- Learners in groups are guided to come up with a class or school model shop and role play shopping activities as buyers and shopkeepers.
-Learners practice arranging items in the shop according to their type.

How do shops organize their items?

KLB Mathematics Grade 4 Learner's Book pg. 154
- Empty containers
- Price tags
- Imitation money
KLB Mathematics Grade 4 Learner's Book pg. 155
- Class model shop
- Imitation money
- Digital devices
KLB Mathematics Grade 4 Learner's Book pg. 156
- Clock faces
- Digital devices for digital games

- Observation - Oral questions - Written assignments

GEOMETRY

Position and Direction - Clockwise and anti-clockwise turns
Position and Direction - Quarter, half and full turns
Position and Direction - Quarter, half and full turns
Angles - Angles at points in lines

By the end of the lesson, the learner should be able to:
How can you change your position?

By the end of the lesson, the learner should be able to:
- Identify an anti-clockwise turn in the environment
- Demonstrate an anti-clockwise turn in the environment
- Appreciate the use of turns in daily life

- Learners stand in a circle and take turns to move in anti-clockwise direction - Learners practice making anti-clockwise turns from different positions in the classroom - In groups, learners move from their desks to the door while making anti-clockwise turns - Learners identify daily activities involving anti-clockwise turns

KLB Mathematics Grade 4 Learner's Book pg. 156
- Clock faces
- Digital devices for digital games
KLB Mathematics Grade 4 Learner's Book pg. 157
KLB Mathematics Grade 4 Learner's Book pg. 158
KLB Mathematics Grade 4 Learner's Book pg. 160
- Pencils, rulers
- Angle representations
- Charts showing angles

- Observation - Oral questions - Written exercises

GEOMETRY

Angles - Angles from objects
Angles - Relating turns to angles
Angles - Relating turns to angles
Plane Figures - Identifying shapes

By the end of the lesson, the learner should be able to:
How do we use angles in daily life?

By the end of the lesson, the learner should be able to:
- Identify angles from objects in the environment
- Make angles by manipulating objects
- Develop interest in identifying angles in the environment

- Learners make angles by opening books and folding pieces of paper - In groups, learners explore and identify angles from objects such as cubes and cuboids in the environment - Learners turn arms to make angles and observe the angles formed - Learners identify angles in doors, windows and other classroom objects

KLB Mathematics Grade 4 Learner's Book pg. 161
- Books, paper
- Cubes, cuboids
- Angle charts
KLB Mathematics Grade 4 Learner's Book pg. 162
- Rulers
- Books, doors
- Digital devices
- Angle representations
- Clock faces
KLB Mathematics Grade 4 Learner's Book pg. 163
- Shape cut-outs
- Objects of different shapes
- Pictures showing shapes

- Observation - Oral questions - Written exercises

GEOMETRY

Plane Figures - Identifying shapes
Plane Figures - Lines of symmetry

By the end of the lesson, the learner should be able to:
How can you make patterns using shapes?

By the end of the lesson, the learner should be able to:
- Identify triangles, circles and ovals from objects in the environment
- Draw shapes of triangles, circles and ovals
- Develop creativity in drawing shapes

- In groups, learners trace shapes of objects like matchboxes, circular tins, cups, coins on paper - Learners sketch shapes of triangles, circles and ovals in their books - Learners trace and draw objects with specific shapes - Learners identify and classify objects based on their shapes

KLB Mathematics Grade 4 Learner's Book pg. 164
- Objects of different shapes
- Paper for tracing
- Drawing materials
KLB Mathematics Grade 4 Learner's Book pg. 165
- Rectangular and square cut-outs
- Objects with rectangular and square faces
- Paper, scissors

- Observation - Oral questions - Project work

GEOMETRY

Plane Figures - Lines of symmetry
Plane Figures - Making patterns

By the end of the lesson, the learner should be able to:
How can you make patterns using shapes?

By the end of the lesson, the learner should be able to:
- Identify lines of symmetry in triangles, circles and ovals
- Fold shapes to find lines of symmetry
- Show curiosity in finding lines of symmetry

- Learners take triangular cut-outs with equal sides and fold to identify the three lines of symmetry - Learners use triangles with two equal sides to identify one line of symmetry - Learners use triangles with unequal sides to observe no line of symmetry - Learners fold circular and oval cut-outs to identify lines of symmetry - Learners discuss and share findings about the number of lines of symmetry in different shapes

KLB Mathematics Grade 4 Learner's Book pg. 166
- Triangular, circular and oval cut-outs
- Paper, scissors
- Digital devices
KLB Mathematics Grade 4 Learner's Book pg. 167
- Shape cut-outs
- Coloring materials

- Observation - Oral questions - Written exercises

GEOMETRY

Plane Figures - Making patterns
Plane Figures - Properties of shapes

By the end of the lesson, the learner should be able to:
How can you make patterns using shapes?

By the end of the lesson, the learner should be able to:
- Make patterns using triangles
- Create original patterns combining different shapes
- Appreciate the beauty of patterns in the environment

- Learners obtain triangle cut-outs of different sizes - Learners use the triangle cut-outs to make different patterns - Learners create patterns combining squares, rectangles and triangles - Learners copy, complete and color patterns provided - Learners use digital devices to learn about plane figures and make patterns

KLB Mathematics Grade 4 Learner's Book pg. 167
- Triangle cut-outs
- Coloring materials
- Digital devices
KLB Mathematics Grade 4 Learner's Book pg. 168
- Squares and rectangles of different sizes
- Rulers
- Right-angled corners

- Observation - Project work - Peer assessment

GEOMETRY
DATA HANDLING

Plane Figures - Properties of shapes
Data - Materials for data collection

By the end of the lesson, the learner should be able to:
How can you make patterns using shapes?

By the end of the lesson, the learner should be able to:
- Identify properties of different types of triangles
- Measure sides of triangles to determine their properties
- Show interest in properties of triangles

- Learners measure sides of triangles with three equal sides to establish that they are equal - Learners measure sides of triangles with two equal sides - Learners measure sides of triangles with unequal sides - Learners identify and discuss the properties of different types of triangles - Learners trace circular objects to obtain circles of different sizes and discuss their properties

KLB Mathematics Grade 4 Learner's Book pg. 169
- Triangles of different types
- Rulers
- Circular objects
KLB Mathematics Grade 4 Learner's Book pg. 171
- Tape measures
- Weighing scales
- Thermometers
- Exercise books

- Observation - Oral questions - Written assessment

DATA HANDLING

Data - Collecting data
Data - Organizing data

By the end of the lesson, the learner should be able to:
How can you represent data?

By the end of the lesson, the learner should be able to:
- Collect data of at most 10 items within the school environment
- Organize collected data systematically
- Appreciate the importance of data collection

- In groups of 10, learners write their favorite fruits on cards - Learners collect the cards and arrange them according to the type of fruit - In groups, learners collect information on the number of family members for each learner - Learners collect data on shoe sizes, favorite foods, games, and colors - Learners measure and record the height of each learner in centimeters

KLB Mathematics Grade 4 Learner's Book pg. 171
- Cards
- Pencils
- Tape measure
- Rulers
KLB Mathematics Grade 4 Learner's Book pg. 172
- Data collected from previous lesson
- Charts
- Exercise books

- Observation - Practical activities - Written assignments

DATA HANDLING

Data - Drawing tables for recording data
Data - Recording data in tables

By the end of the lesson, the learner should be able to:
How can you represent data?

By the end of the lesson, the learner should be able to:
- Draw a table for recording data
- Understand the structure of data tables
- Show interest in organizing data in tables

- In groups of 10, learners write their favorite colors on cards - Learners collect all the cards and sort them by color - Learners count the number of cards for each color - Learners draw tables with appropriate columns for recording the data - Learners discuss the importance of tables in organizing data

KLB Mathematics Grade 4 Learner's Book pg. 173
- Cards
- Exercise books
- Rulers
- Pencils
KLB Mathematics Grade 4 Learner's Book pg. 174
- Data collected previously
- Digital devices

- Observation - Written exercises - Oral questions

DATA HANDLING

Data - Recording data using tally marks
Data - Recording data in tables
Data - Interpreting data from tables

By the end of the lesson, the learner should be able to:
How can you represent data?

By the end of the lesson, the learner should be able to:
- Use tally marks to record data
- Create tables with tally mark columns
- Show interest in using tally marks

- Learners learn how to use tally marks to represent the number of times something appears - Learners measure heights of group members and record using tally marks - Learners use tally marks to record data on shoe sizes, pencil lengths, and grades - Learners discuss the convenience of using tally marks in data recording - Learners convert tally marks to numerical values

KLB Mathematics Grade 4 Learner's Book pg. 174
- Exercise books
- Rulers
- Tape measures
- Data collected previously
KLB Mathematics Grade 4 Learner's Book pg. 175
- Previously collected data
KLB Mathematics Grade 4 Learner's Book pg. 176
- Tables with data
- Digital devices
- Previously created tables

- Observation - Written exercises - Oral questions