Measurement

Time - Second as a unit of time

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

- Identify the second as a unit of measuring time
- Demonstrate skills in identifying second
- Appreciate second as a unit of time

- Discuss and identify second hand from a clock
- Carry out activities taking 10 seconds and relate to 1 second
- Measure time taken to do various activities in seconds

How can we read and tell time?

Oxford Let's Do Mathematics, pg. 138
Analog clocks
Stop watches

- Observation - Oral questions - Written exercises

Measurement

Time - Relationship between minute and second

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

- Identify the relationship between minute and second
- Demonstrate skills in establishing relationship between units
- Show interest in the relationship between units

- Establish the relationship between seconds and minute using a clock or stopwatch
- Count the number of seconds in one minute
- Work in groups to verify the relationship

How many seconds make one minute?

Oxford Let's Do Mathematics, pg. 139
Analog clocks
Stop watches

- Observation - Oral questions - Written exercises

Measurement

Time - Converting minutes to seconds

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

- Convert minutes to seconds
- Demonstrate skills in converting units of time
- Appreciate converting units of time

- Convert minutes to seconds using the relationship between the units
- Solve problems involving conversion from minutes to seconds
- Work in groups to convert various time measurements

How do we convert minutes to seconds?

Oxford Let's Do Mathematics, pg. 140
Conversion charts

- Observation - Oral questions - Written exercises

Measurement

Time - Converting seconds to minutes

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

- Convert seconds to minutes
- Demonstrate skills in converting units of time
- Show interest in converting units of time

- Convert seconds to minutes using the relationship between the units
- Solve problems involving conversion from seconds to minutes
- Work in groups to convert various time measurements

How do we convert seconds to minutes?

Oxford Let's Do Mathematics, pg. 141
Conversion charts

- Observation - Oral questions - Written exercises

Measurement

Time - Addition of time

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

- Add minutes and seconds with conversion
- Demonstrate skills in adding time measurements
- Appreciate addition of time measurements

- Add minutes and seconds with conversion where necessary
- Solve problems involving addition of time
- Work in groups to solve addition problems involving time

How do we add measurements of time?

Oxford Let's Do Mathematics, pg. 142
Place value charts

- Observation - Oral questions - Written exercises

Measurement

Time - Subtraction of time

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

- Subtract minutes and seconds with conversion
- Demonstrate skills in subtracting time measurements
- Show interest in subtraction of time measurements

- Subtract minutes and seconds with conversion where necessary
- Solve problems involving subtraction of time
- Work in groups to solve subtraction problems involving time

How do we subtract measurements of time?

Oxford Let's Do Mathematics, pg. 143
Place value charts

- Observation - Oral questions - Written exercises

Measurement

Time - Multiplication of time
Time - Division of time

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

- Multiply minutes and seconds by whole numbers
- Demonstrate skills in multiplying time measurements
- Appreciate multiplication of time measurements

- Multiply minutes and seconds by whole numbers
- Solve problems involving multiplication of time measurements
- Work in groups to solve multiplication problems

How do we multiply measurements of time?

Oxford Let's Do Mathematics, pg. 144
Number cards
Oxford Let's Do Mathematics, pg. 145

- Observation - Oral questions - Written exercises

Measurement

Time - Problem solving with time

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

- Solve problems involving time
- Demonstrate skills in applying time concepts
- Appreciate problem solving with time

- Solve word problems involving time
- Apply time concepts in real-life contexts
- Work in groups to solve various problems

How do we use time measurements in real life?

Oxford Let's Do Mathematics, pg. 146
Word problem cards

- Observation - Oral questions - Written exercises

Measurement

Time - Reading digital time

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

- Read time in seconds from a digital clock
- Demonstrate skills in reading digital time
- Show interest in reading digital time

- Use digital devices to read time in seconds
- Compare analog and digital time
- Work in groups to read and record time from digital devices

What are the advantages of digital clocks?

Oxford Let's Do Mathematics, pg. 147
Digital clocks
Digital watches

- Observation - Oral questions - Written exercises

Measurement

Money - Budget concept

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

- Explain the term budget
- Demonstrate skills in understanding budgets
- Appreciate the concept of budgeting

- Discuss meaning of a budget
- Prepare a budget of about 5 items that can be found in the classroom model shop
- Work in groups to create simple budgets

How do you spend your money?

Oxford Let's Do Mathematics, pg. 149
Model shop items
Price lists

- Observation - Oral questions - Written exercises

Measurement

Money - Importance of budgeting

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

- Identify the importance of a budget
- Demonstrate skills in understanding importance of budgeting
- Show interest in budgeting

- Discuss importance of a budget
- Identify benefits of making budgets
- Work in groups to discuss the importance of budgeting in different situations

Why is budgeting important in managing money?

Oxford Let's Do Mathematics, pg. 150
Budget samples

- Observation - Oral questions - Written exercises

Measurement

Money - Tax concept

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

- Explain meaning of tax
- Demonstrate skills in understanding tax concept
- Appreciate the concept of taxation

- Discuss meaning of tax
- Study receipts from sales to identify amount of taxes paid
- Work in groups to understand different types of taxes

What is the importance of paying taxes?

Oxford Let's Do Mathematics, pg. 151
Sales receipts

- Observation - Oral questions - Written exercises

Measurement

Money - Importance of taxation

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

- Identify importance of tax to the governments
- Demonstrate skills in understanding importance of taxation
- Show interest in taxation

- Discuss importance of taxes to the governments
- Identify services provided using tax money
- Work in groups to discuss the importance of taxation in society

How do taxes benefit society?

Oxford Let's Do Mathematics, pg. 152
Charts showing government services

- Observation - Oral questions - Written exercises

Measurement

Money - Banking services

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

- Identify services provided by banks
- Demonstrate skills in understanding banking services
- Appreciate services provided by banks

- Discuss provision of loans, safe custody of items, money deposits and withdrawals, savings as services provided by banks
- Work in groups to identify different banking services

What services do banks provide?

Oxford Let's Do Mathematics, pg. 153
Charts showing banking services

- Observation - Oral questions - Written exercises

Measurement

Money - Electronic banking

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

- Identify electronic banking services
- Demonstrate skills in understanding electronic banking
- Show interest in electronic banking

- Use digital devices to learn how to transfer money from one person to another as part of bank services
- Discuss advantages of electronic banking
- Work in groups to identify different electronic banking services

How has technology changed banking services?

Oxford Let's Do Mathematics, pg. 154
Charts showing electronic banking

- Observation - Oral questions - Written exercises

Measurement

Money - Saving wisely

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

- Identify factors to consider in order to save wisely
- Demonstrate skills in understanding saving concepts
- Appreciate saving as a financial practice

- Brainstorm on factors to consider when saving money and share with others
- Discuss different methods of saving
- Work in groups to explore different saving options

Why is saving money important?

Oxford Let's Do Mathematics, pg. 155
Charts showing saving methods

- Observation - Oral questions - Written exercises

Measurement
Geometry

Money - Financial literacy
Lines - Horizontal and vertical lines

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

- Apply budgeting, banking, and saving concepts
- Demonstrate skills in financial literacy
- Show interest in financial literacy

- Apply concepts of budgeting, banking, and saving in simulated situations
- Create personal financial plans
- Work in groups to solve financial problems

How can good financial habits help us in life?

Oxford Let's Do Mathematics, pg. 156
Budget templates
Financial literacy charts
Oxford Let's Do Mathematics, pg. 157
Rulers
Charts showing lines

- Observation - Oral questions - Written exercises

Geometry

Lines - Drawing horizontal and vertical lines
Lines - Perpendicular lines

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

- Draw horizontal and vertical lines
- Demonstrate skills in drawing horizontal and vertical lines
- Show interest in drawing horizontal and vertical lines

- Draw horizontal and vertical lines of different lengths
- Use vertical and horizontal lines to draw structures in the environment
- Work in groups to draw and identify horizontal and vertical lines

How do we draw horizontal and vertical lines accurately?

Oxford Let's Do Mathematics, pg. 158
Rulers
Drawing materials
Oxford Let's Do Mathematics, pg. 159
Set squares
Charts showing lines

- Observation - Oral questions - Written exercises

Geometry

Lines - Drawing perpendicular lines
Lines - Parallel lines

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

- Draw perpendicular lines
- Demonstrate skills in drawing perpendicular lines
- Show interest in drawing perpendicular lines

- Use a ruler and a set square to draw perpendicular lines
- Use perpendicular lines to draw different structures in the environment
- Work in groups to draw and identify perpendicular lines

How do we draw perpendicular lines accurately?

Oxford Let's Do Mathematics, pg. 160
Rulers
Set squares
Drawing materials
Charts showing lines

- Observation - Oral questions - Written exercises

Geometry

Lines - Drawing parallel lines
Angles - Making turns to form angles
Angles - Uses of angles

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

- Draw parallel lines
- Demonstrate skills in drawing parallel lines
- Show interest in drawing parallel lines

- Use a ruler and a set square to draw parallel lines
- Use parallel lines to draw different structures in the environment
- Work in groups to draw and identify parallel lines

How do we draw parallel lines accurately?

Oxford Let's Do Mathematics, pg. 161
Rulers
Set squares
Drawing materials
Oxford Let's Do Mathematics, pg. 162
Clock faces
Directional maps
Oxford Let's Do Mathematics, pg. 163
Various objects with angles
Pictures showing angles

- Observation - Oral questions - Written exercises

Geometry

Angles - Measuring angles using a unit angle

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

- Measure angles using a unit angle
- Demonstrate skills in measuring angles
- Appreciate measuring angles

- Trace and cut out a unit angle
- Use the unit angle to measure the size of various angles
- Work in groups to measure angles using the unit angle

How can we measure angles without a protractor?

Oxford Let's Do Mathematics, pg. 164
Unit angle templates
Paper
Scissors

- Observation - Oral questions - Written exercises

Geometry

Angles - Degree as a unit of measuring angle

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

- Identify the degree as a unit of measuring angle
- Demonstrate skills in understanding degree measure
- Show interest in degree as a unit of angle

- Draw a half circle and place unit angles on it
- Subdivide the unit angle using the smallest divisions of the protractor
- Determine how many degrees make the unit angle
- Work in groups to understand the degree measure

What is a degree in angle measurement?

Oxford Let's Do Mathematics, pg. 165
Protractors
Unit angle templates

- Observation - Oral questions - Written exercises

Geometry

Angles - Reading a protractor

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

- Read a protractor as a tool for measuring angles
- Demonstrate skills in using a protractor
- Appreciate protractor as a tool for measuring angles

- Examine a protractor and identify its parts
- Learn how to place a protractor on angles for measurement
- Identify the inner and outer scales on the protractor
- Work in groups to practice reading protractors

How do we read a protractor correctly?

Oxford Let's Do Mathematics, pg. 166
Protractors
Angle charts

- Observation - Oral questions - Written exercises

Geometry

Angles - Measuring angles in degrees

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

- Measure angles in degrees
- Demonstrate skills in measuring angles
- Show interest in measuring angles in degrees

- Use a protractor to measure given angles
- Record the measurements in degrees
- Work in groups to measure various angles and share results

How do we measure angles using a protractor?

Oxford Let's Do Mathematics, pg. 167
Protractors
Angle charts

- Observation - Oral questions - Written exercises

Geometry

3-D Objects - 3-D objects in the environment

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

- Describe 3-D objects in the environment
- Demonstrate skills in identifying 3-D objects
- Appreciate 3-D objects in the environment

- Identify and collect objects that are cubes, cuboids, cylinders, spheres and pyramids
- Discuss the properties of each 3-D object
- Work in groups to identify 3-D objects in the environment

Where are 3-D objects used in the environment?

Oxford Let's Do Mathematics, pg. 168
3-D objects (cubes, cuboids, cylinders, spheres, pyramids)

- Observation - Oral questions - Written exercises

Geometry

3-D Objects - Cubes and cuboids
3-D Objects - Cylinders and spheres

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

- Describe 2-D shapes in cubes and cuboids
- Demonstrate skills in identifying 2-D shapes in 3-D objects
- Show interest in identifying 2-D shapes in 3-D objects

- Get objects that look like cubes and cuboids
- Identify 2-D shapes on these objects
- Work in groups to identify and count the number of each 2-D shape in cubes and cuboids

What 2-D shapes can we see in cubes and cuboids?

Oxford Let's Do Mathematics, pg. 169
Cubes
Cuboids
Oxford Let's Do Mathematics, pg. 170
Cylinders
Spheres

- Observation - Oral questions - Written exercises

Geometry

3-D Objects - Pyramids

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

- Describe 2-D shapes in pyramids
- Demonstrate skills in identifying 2-D shapes in 3-D objects
- Show interest in identifying 2-D shapes in 3-D objects

- Get objects that look like pyramids
- Identify 2-D shapes on these objects
- Work in groups to identify and count the number of each 2-D shape in pyramids

What 2-D shapes can we see in pyramids?

Oxford Let's Do Mathematics, pg. 171
Pyramids

- Observation - Oral questions - Written exercises

Data Handling

Data Representation - Collecting data

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

- Collect data of about 30 items relating to real experiences
- Demonstrate skills in collecting data
- Appreciate the process of data collection

- Choose favorite colors, sports, or other categories
- Collect data involving day to day experiences
- Work in groups to collect data on different topics

Why is representing data in tables important?

Oxford Let's Do Mathematics, pg. 172
Data collection sheets

- Observation - Oral questions - Written exercises

Data Handling

Data Representation - Recording data in tables

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

- Draw a table to record data from real life
- Demonstrate skills in recording data in tables
- Show interest in organizing data in tables

- Prepare data collection and recording tools
- Record collected data on books or charts
- Work in groups to organize data in tables

How do we organize data in tables?

Oxford Let's Do Mathematics, pg. 173
Data collection sheets
Chart paper

- Observation - Oral questions - Written exercises

Data Handling

Data Representation - Drawing tally marks

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

- Draw tally marks of the collected data
- Demonstrate skills in using tally marks
- Appreciate the use of tally marks in data representation

- Discuss how to draw tally marks for data
- Represent collected data using tally marks
- Work in groups to record data using tally marks

Why do we use tally marks to represent data?

Oxford Let's Do Mathematics, pg. 174
Data collection sheets
Chart paper

- Observation - Oral questions - Written exercises

Data Handling

Data Representation - Frequency tables

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

- Prepare a frequency table to represent data
- Demonstrate skills in creating frequency tables
- Show interest in representing data using frequency tables

- Discuss how to prepare frequency tables
- Convert tally marks into frequencies
- Work in groups to create frequency tables from collected data

How do we create frequency tables?

Oxford Let's Do Mathematics, pg. 175
Data collection sheets
Chart paper

- Observation - Oral questions - Written exercises

Data Handling

Data Representation - Interpreting data

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

- Interpret data represented by frequency tables
- Demonstrate skills in interpreting data
- Appreciate interpretation of data from tables

- Study frequency tables and analyze the information
- Answer questions based on the data in the tables
- Work in groups to interpret different sets of data

How do we interpret data from frequency tables?

Oxford Let's Do Mathematics, pg. 176
Data tables
Chart paper

- Observation - Oral questions - Written exercises

Data Handling

Data Representation - Application of data

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

- Apply data handling skills in real life situations
- Demonstrate skills in applying data concepts
- Show interest in applying data handling in real life

- Collect, organize, and interpret data from real life situations
- Apply data handling skills to solve problems
- Work in groups to conduct mini data projects

How do we use data handling in our daily lives?

Oxford Let's Do Mathematics, pg. 177
Data collection sheets
Chart paper

- Observation - Oral questions - Written exercises