Rates, Rations, proportions and percentages

Identifying rates in different situations
Working out rates in real life

By the end of the lesson, the learner should be able to:
identify rates in different situations
Use IT devices to explore on rates
promote use of ratios and proportions in real life.
work out rates in real life situations

- The learner is guided to:
time while doing different activities such as calling using for example different mobile service providers.
role play this activity and note time taken to call, record on a table and compare

How do we use rates in real life situations?How do we use ratios in daily activities?

Working out sheets
Number cards
KLB Top Scholar Maths Grade 8 T.G Pg. 34-36
KLB Top Scholar Maths Grade 8 P.B Pg. 36

KLBTopScholarMathsGrade8T.GPg.36
KLBTopScholarMathsGrade8P.BPg.36-37

Written exercise Assessment rubrics Observation schedule Oral question

Rates, Rations, proportions and percentages

Expressing fractions as ratio in real life situations
Comparing two rations in different situations

By the end of the lesson, the learner should be able to:
express fractions as ratios in real life situations
Explore using fractions as ratios in real life.
promote use of ratios and proportions in real life.
compare two or more ratios in different situations

The learner is guided to:
use cut outs from whole objects or substances to relate fractions to ratios.
discuss and compare ratios from the cut outs.

How do we use rates in real life situations?How do we use ratios in daily activities?

Working out sheets
Number cards
KLB Top Scholar Maths Grade 8 T.G Pg. 37
KLB Top Scholar Maths Grade 8 P.B Pg. 38-39

KLBTopScholarMathsGrade8T.GPg.37-38
KLBTopScholarMathsGrade8P.BPg.40-41

Written exercise Assessment rubrics Observation schedule Oral question

Rates, Rations, proportions and percentages

Compare three ratios in different situations

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

express fractions as ratios in real life situations
compare two or more ratios in different situations
promote use of ratios and proportions in real life.

The learner is guided to:
discuss and compare ratios from the cut outs.

How do we use rates in real life situations?How do we use ratios in daily activities?

Working out sheets
Number cards
KLB Top Scholar Maths Grade 8 T.G Pg. 38-39
KLB Top Scholar Maths Grade 8 P.B Pg. 41-42

Written exercise Assessment rubrics Observation schedule Oral question

Rates, Rations, proportions and percentages

Dividing quantities in given in real life situations
Working out ratios in different situations

By the end of the lesson, the learner should be able to:
compare two or more ratios in different situations
divide quantities in given ratios in real life situations
promote use of ratios and proportions in real life.
identify ratios in different situations.
work out ratios in different situations

The learner is guided to:
discuss and share quantities of concrete objects in different ratios.

How do we use rates in real life situations?How do we use ratios in daily activities?

Working out sheets
Number cards
KLB Top Scholar Maths Grade 8 T.G Pg. 39
KLB Top Scholar Maths Grade 8 P.B Pg. 42-44

KLBTopScholarMathsGrade8T.GPg.40
KLBTopScholarMathsGrade8P.BPg.44-45

Written exercise Assessment rubrics Observation schedule Oral question

Rates, Rations, proportions and percentages

Working out increase and decrease of quantities using ratios
Working out increase and decrease of quantities using ratios in real life situations

By the end of the lesson, the learner should be able to:
identify increase and decrease in quantities.
work out increase and decrease of quantities using ratios in real life situations
promote use of ratios and proportions in real life.

The learner is guided to:
discuss and share quantities of concrete objects in different ratios.

How do we use rates in real life situations?How do we use ratios in daily activities?

Working out sheets
Number cards
KLB Top Scholar Maths Grade 8 T.G Pg. 40-41
KLB Top Scholar Maths Grade 8 P.B Pg. 44-45

KLBTopScholarMathsGrade8T.GPg.41
KLBTopScholarMathsGrade8P.BPg.45-46

Written exercise Assessment rubrics Observation schedule Oral question

Rates, Rations, proportions and percentages

Working out percentage change of given quantities in real life situations

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

state the percentage change of given quantities.
work out percentage change of given quantities in real life situations.
promote use of ratios and proportions in real life.

The learner is guided to:
discuss and determine percentage increase and decrease of different quantities.

How do we use rates in real life situations?How do we use ratios in daily activities?

Working out sheets
Number cards
KLB Top Scholar Maths Grade 8 T.G Pg. 42
KLB Top Scholar Maths Grade 8 P.B Pg. 47-48

Written exercise Assessment rubrics Observation schedule Oral question

Rates, Rations, proportions and percentages

Identifying direct proportions in real life.
Working out direct proportions in real life situations

By the end of the lesson, the learner should be able to:
identify direct and indirect proportions in real life situations
Observe real examples of direct proportions.
promote use of ratios and proportions in real life.
work out direct and indirect proportions in real life situations

- The learner is guided to:
use IT devices or other materials to explore percentage change.
role play shopping activities to show and determine direct relationships and can use any other activities.
The learner is guided to:

How do we use rates in real life situations?How do we use ratios in daily activities?

Working out sheets
Number cards
KLB Top Scholar Maths Grade 8 T.G Pg. 43
KLB Top Scholar Maths Grade 8 P.B Pg. 48-50

KLBTopScholarMathsGrade8T.GPg.43-44
KLBTopScholarMathsGrade8P.BPg.50-51

Written exercise Assessment rubrics Observation schedule Oral question

Rates, Rations, proportions and percentages

Identifying indirect proportions in real life situations
Working out indirect proportions in real life situations

By the end of the lesson, the learner should be able to:
identify direct and indirect proportions in real life situations
observe real examples of indirect proportions.
promote use of ratios and proportions in real life.
work out direct and indirect proportions in real life situations

- The learner is guided to:
use IT devices or other materials to explore percentage change.
role play shopping activities to show and determine direct relationships and can use any other activities.

How do we use rates in real life situations?How do we use ratios in daily activities?

Working out sheets
Number cards
KLB Top Scholar Maths Grade 8 T.G Pg. 44
KLB Top Scholar Maths Grade 8 P.B Pg. 52-53

KLBTopScholarMathsGrade8T.GPg.44-48
KLBTopScholarMathsGrade8P.BPg.54-55

Written exercise Assessment rubrics Observation schedule Oral question

ALGEBRA

Factorizing of algebraic expressions in different situation

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

identify algebraic expressions in different situations
factorize algebraic expressions in different situation
enjoy using algebraic expressions in real life situations.

The learner is guided to:
discuss and identify like and unlike terms and factorize algebraic expressions

How do we factorize algebraic expressions?How do we simplify algebraic expressions?

Working out sheets
Number cards
KLB Top Scholar Maths Grade 8 T.G Pg. 49-50
KLB Top Scholar Maths Grade 8 P.B Pg. 56

Written exercise Assessment rubrics Observation schedule Oral question

ALGEBRA

Simplification of Algebraic fractions
Simplification of algebraic fractions by factorization

By the end of the lesson, the learner should be able to:
identify ways of simplifying algebraic expressions
simplify algebraic fractions in different situations
enjoy using algebraic expressions in real life situations.
explain factorization method.
simplify algebraic fractions by factorization

The learner is guided to:
discuss like and unlike terms and simplify the algebraic fractions

How do we factorize algebraic expressions?How do we simplify algebraic expressions?

Working out sheets
Number cards
KLB Top Scholar Maths Grade 8 T.G Pg. 51
KLB Top Scholar Maths Grade 8 P.B Pg. 57-58

KLBTopScholarMathsGrade8T.GPg.51-52
KLBTopScholarMathsGrade8P.BPg.58-59

Written exercise Assessment rubrics Observation schedule Oral question

ALGEBRA

Simplification of Algebraic fractions by factorization
Evaluating algebraic expressions by substituting numeral values in different situations

By the end of the lesson, the learner should be able to:
explain factorization method.
simplify algebraic fractions by factorization
enjoy using algebraic expressions in real life situations.
explain ways of evaluating algebraic expressions
evaluate algebraic expressions by substituting numerical values in different situation

The learner is guided to:
discuss like and unlike terms and simplify the algebraic fractions
- The learner is guided to:
discuss how to substitute the given numerical values to work out a given algebraic expression.
use IT to work out exercises and activities in algebra or drag and drop activities of grouping similar terms to simplify algebraic expressions
use other resources to work out algebra exercises.

How do we factorize algebraic expressions?How do we simplify algebraic expressions?

Working out sheets
Number cards
KLB Top Scholar Maths Grade 8 T.G Pg. 51-52
KLB Top Scholar Maths Grade 8 P.B Pg. 58-59

KLBTopScholarMathsGrade8T.GPg.53-54
KLBTopScholarMathsGrade8P.BPg.59-61

Written exercise Assessment rubrics Observation schedule Oral question

Linear Equations

Forming linear equations in two unknowns in real life situations.

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

form linear equations in two unknowns in real life situations
role play shopping on two different items
recognize use of linear equations in real life.

- The learner is guided to:
role play activities such as shopping on two different items in the shop to form linear equations in two unknowns.
discuss with others and use other activities with two unknowns

How do we solve linear equations in two unknowns? Where do we use linear equations in two unknowns in real life situations?

Working out sheets
Number cards
KLB Top Scholar Maths Grade 8 T.G Pg. 63-64
KLB Top Scholar Maths Grade 8 P.B Pg. 62-63

Written exercise Assessment rubrics Observation schedule Oral question

Linear Equations

Forming related linear equations in two unknowns
Solving linear equations in two unknowns using substitution

By the end of the lesson, the learner should be able to:
form linear equations in two unknowns in real life situations
role play shopping on two different items
recognize use of linear equations in real life.
identify way of solving linear equations.
solve linear equations in two unknowns by Substitution method in real life situations

The learner is guided to:
role play activities such as shopping on two different items in the shop to form linear equations in two unknowns.
discuss with others and use other activities with two unknowns
- The learner is guided to:
discuss and use substitution method to find the solutions of simultaneous equations in two unknowns.

How do we solve linear equations in two unknowns? Where do we use linear equations in two unknowns in real life situations?

Working out sheets
Number cards
KLB Top Scholar Maths Grade 8 T.G Pg. 57
KLB Top Scholar Maths Grade 8 P.B Pg. 63-64

KLBTopScholarMathsGrade8T.GPg.57-58
KLBTopScholarMathsGrade8P.BPg.65-66

Written exercise Assessment rubrics Observation schedule Oral question

Linear Equations

Solving linear equations in two unknowns using substitution method in real life situations
Solving linear equation in two unknowns using elimination method in real life situations

By the end of the lesson, the learner should be able to:
identify way of solving linear equations.
solve linear equations in two unknowns by Substitution method in real life situations
recognize use of linear equations in real life.
solve linear equations in two unknowns by elimination method in real life situations

The learner is guided to:
discuss and use substitution method to find the solutions of simultaneous equations in two unknowns.
discuss and use elimination method to find the solutions of simultaneous equations in two unknowns.

How do we solve linear equations in two unknowns? Where do we use linear equations in two unknowns in real life situations?

Working out sheets
Number cards
KLB Top Scholar Maths Grade 8 T.G Pg. 58
KLB Top Scholar Maths Grade 8 P.B Pg. 65-66

KLBTopScholarMathsGrade8T.GPg.59
KLBTopScholarMathsGrade8P.BPg.66-68

Written exercise Assessment rubrics Observation schedule Oral question

Linear Equations

Solving linear equations in two unknowns using elimination method

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

identify way of solving linear equations.
solve linear equations in two unknowns by elimination method in real life situations
recognize use of linear equations in real life.

The learner is guided to:
discuss and use elimination method to find the solutions of simultaneous equations in two unknowns.

How do we solve linear equations in two unknowns? Where do we use linear equations in two unknowns in real life situations?

Working out sheets
Number cards
KLB Top Scholar Maths Grade 8 T.G Pg. 60
KLB Top Scholar Maths Grade 8 P.B Pg. 66-68

Written exercise Assessment rubrics Observation schedule Oral question

Linear Equations
MEASUREMENT

Applying linear equations in two unknowns in real life situations
Circles

By the end of the lesson, the learner should be able to:
state ways of applying linear equations in two unknowns.
apply linear equations in two unknowns in real life situations
recognize use of linear equations in real life.
identify the circumference of a circle.
work out the circumference of a circle in real life situations
promote use of circles in real life situations.

- The learner is guided to:
practice forming and solving simultaneous equations in two unknowns of real-life case using any method.
watch videos or use other materials involving linear equations in two unknowns.
discuss with others and find the circumference of different circular objects in the environment

How do we solve linear equations in two unknowns? Where do we use linear equations in two unknowns in real life situations?

Working out sheets
Number cards
KLB Top Scholar Maths Grade 8 T.G Pg. 61-62
KLB Top Scholar Maths Grade 8 P.B Pg. 69-70

Cut outs of sectors, papers, ruler
KLB Top Scholar Maths Grade 8 T.G Pg. 63-64
KLB Top Scholar Maths Grade 8 P.B Pg. 71-72

Written exercise Assessment rubrics Observation schedule Oral question

MEASUREMENT

Working out the length of an arc of a circle in different situations
Working out the length of an Arc of a circle in different situations

By the end of the lesson, the learner should be able to:
describe an arc
work out the length of an Arc of a circle in different situations
promote use of circles in real life situations.

The learner is guided to:
use cut outs to relate arc length to the circumference of a circle, starting with semicircle, then quarter of a circle etc.
- The learner is guided to:
draw circles and work out the circumference of a circle, and arc length of a circle.

How do we determine the circumference of a circle?How do we use sectors of a circle in real life situations?

Cut outs of sectors, papers, ruler
KLB Top Scholar Maths Grade 8 T.G Pg. 65
KLB Top Scholar Maths Grade 8 P.B Pg. 72-74
KLB Top Scholar Maths Grade 8 T.G Pg. 66

Written exercise Assessment rubrics Observation schedule Oral question

MEASUREMENT

Calculating the perimeter of a sector of a circle in different situations

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

describe the perimeter of a sectors,
calculate the Perimeter of a sector of a circle in different situations
promote use of circles in real life situations.

- The learner is guided to:
use cut outs of sectors of circles from locally available materials and work out the perimeter of the sectors.
Discuss and make any object with the sector that can be used in real life situations.
use IT or other resources to explore use of sectors of circles in daily life

How do we determine the circumference of a circle?How do we use sectors of a circle in real life situations?

Cut outs of sectors, papers, ruler
KLB Top Scholar Maths Grade 8 T.G Pg. 66-67
KLB Top Scholar Maths Grade 8 P.B Pg. 74-76

Written exercise Assessment rubrics Observation schedule Oral question

MEASUREMENT
Geometry

Calculating the perimeter of a sector of a circle
Scale Drawing; Representing lengths to a given scale in different situations

By the end of the lesson, the learner should be able to:
describe the perimeter of a sectors,
calculate the Perimeter of a sector of a circle in different situation
promote use of circles in real life situations.
Measure the length of sides of objects such as a pen, a pencil, a rubber, an exercise book, a desk and a table.
Record their measurement in a table as shown on page 143
Appreciate different types of lengths.

- The learner is guided to:
use cut outs of sectors of circles from locally available materials and work out the perimeter of the sectors.
Discuss and make any object with the sector that can be used in real life situations.
use IT or other resources to explore use of sectors of circles in daily life
In groups, learners are guided to measure the length of sides of objects such as a pen, a pencil, a rubber, an exercise book, a desk and a table.
In groups, learners are guided to record their measurement in a table as shown on page 143

How do we determine the circumference of a circle?How do we use sectors of a circle in real life situations?

Cut outs of sectors, papers, ruler
KLB Top Scholar Maths Grade 8 T.G Pg. 67-68
KLB Top Scholar Maths Grade 8 P.B Pg. 74-76
KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 143-144
Ruler
Digital devices

Written exercise Assessment rubrics Observation schedule Oral question

Geometry

Converting actual length to scale length in real life situations
Converting scale length to actual length in real life situations

By the end of the lesson, the learner should be able to:
Use a ruler or tape measure to measure the length of the classroom.
Convert actual length to scale length in real life situations.
Record the results in a table.
Enjoy converting actual length to scale length in real life situations.
Draw a rectangular plot of scale drawing 9 cm and 4 cm.
Convert scale length to actual length.
Enjoy converting scale length to actual length in real life situations.

In groups, learners are guided to use a ruler or tape measure to measure the length of the classroom.
In groups, learners are guided to convert actual length to scale length in real life situations.
In groups, learners are guided to record the results in a table.
In groups, learners are guided to draw a rectangular plot of scale drawing 9 cm and 4 cm.
In groups, learners are guided to fill in the table in learner's book 8 page 147
In groups, learners are guided to convert scale length to actual length.

How do you convert actual length to scale length?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 145-146
Ruler
Digital devices
Learner's Book Grade 8 pg. 146-147

Oral questions Oral Report Observation Written exercise

Geometry

Interpreting linear scales in statements form in different situations
Writing Linear scale in Statement form in different situations

By the end of the lesson, the learner should be able to:
Identify situations when a scale can be interpreted.
Do activity 5 in learner's book 8 page 148
Interpret linear scales in statements form in different situations.
Enjoy interpreting linear scales in statements form in different situations.
Explain the meaning of linear scale in statement form.
Write linear scale in Statement form in different situations.
Enjoy writing linear scale in Statement form in different situation.

In groups, learners are guided to identify situations when a scale can be interpreted.
In groups, learners are guided to do activity 5 in learner's book 8 page 148
In groups, learners are guided to interpret linear scales in statements form in different situations.
In groups, learners are guided to explain the meaning of linear scale in statement form.
In groups, learners are guided to write linear scale in Statement form in different situations.

How do you interpreting linear scales in statements form in different situations?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 148-149
Ruler
Digital devices
Learner's Book Grade 8 pg. 149-151

Oral questions Oral Report Observation Written exercise

Geometry

Interpreting linear scales in ratio form in different situations

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

Draw the table in learner's book 8 page 151
Interpret linear scales in ratio form.
Enjoy interpreting linear scales in ratio form.

In groups, learners are guided to draw the table in learner's book 8 page 151
In groups, learners are guided to interpret linear scales in ratio form.

How do you interpret linear scales in ratio form?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 151-152
Ruler
Digital devices

Oral questions Oral Report Observation Written exercise

Geometry

Writing linear scales in ratio form in different situations.
Converting linear scale from statement form to ratio form in different situations

By the end of the lesson, the learner should be able to:
Explain the meaning of linear scale in ratio form.
Write linear scale in ratio form in different situations.
Enjoy writing linear scale in ratio form in different situation.
Consider the scale 1 cm represents 4m and convert 4 m to centimetres.
Convert linear scale from statement form to ratio form.
Enjoy converting linear scale from statement form to ratio form in different situations.

In groups, learners are guided to explain the meaning of linear scale in ratio form.
In groups, learners are guided to write linear scale in ratio form in different situations.
In groups or in pairs, learners are guided to consider the scale 1 cm represents 4m and convert 4 m to centimetres.
In groups, learners are guided to express the scale in ratio form.
In groups, learners are guided to convert linear scale from statement form to ratio form.

How do you write linear scales in ratio form?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 152-153
Ruler
Digital devices
Learner's Book Grade 8 pg. 153-154

Oral questions Oral Report Observation Written exercise

Geometry

Converting linear scale from ratio from to statement form in different situations
Making scale drawing in different situations

By the end of the lesson, the learner should be able to:
Consider the scale 1:800 000 on a map.
Converting linear scale from ratio from to statement form.
Enjoy converting linear scale from ratio from to statement form in different situations.
Making scale drawing in different situations.
Recognize the use of scale drawing in maps.
Applying scale drawing in real life situations.

In groups, learners are guided to consider the scale 1:800 000 on a map.
In groups, learners are guided to converting linear scale from ratio from to statement form.
In groups, learners are guided to making scale drawing in different situations.
In groups, learners are guided to recognize the use of scale drawing in maps.

How do you convert linear scale from ratio from to statement form?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 154-155
Ruler
Digital devices
Learner's Book Grade 8 pg. 155-157

Oral questions Oral Report Observation Written exercise

Geometry

Digital time

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

Use the link: https://www.youtube.com/watch?v=2K5IjmVbDyw
Watch the video clip on making scale drawing.
Have fun and enjoy watching the video.

In groups, learners are guided to use the link: https://www.youtube.com/watch?v=2K5IjmVbDyw
In groups, learners are guided to watch the video clip on making scale drawing.

What have you learnt about scale drawing?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 157
Ruler
Digital devices

Oral questions Oral Report Observation Written exercise

Common solids

Identification of common solids from the environment
Nets of Common Solids in Different Situations

By the end of the lesson, the learner should be able to:
Collect solids of different shapes from your environment.
Group them according to their shapes.
Appreciate different types of solids of different shapes.
Use a box with an open top, cut the box along the edges AG, BF, CE and DH
Sketch the shape of the spread faces of the box
Appreciate different faces of a box.

In groups, learners are guided to collect solids of different shapes from your environment.
In groups, learners are guided to group them according to their shapes
In groups, learners are guided to identify each case count the number of faces, edges and vertices a solid has.
In groups, learners are guided to use a box with an open top, cut the box along the edges AG, BF, CE and DH
In groups, learners are guided to spread out the faces of the box
In groups, learners are guided to sketch the shape of the spread faces of the box.

What is a solid? Which are the common solids found in your environment?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 158-159
Ruler
Digital devices
Learner's Book Grade 8 pg. 159-160

Oral questions Oral Report Observation Written exercise

Common solids

Draw a rectangular based pyramid
Working out Surface Area of Solids from nets of solids in different situations

By the end of the lesson, the learner should be able to:
Cut along slating edges VA, VB, VC, and VD
Draw the resulting net accurately showing the measurements.
Have fun and enjoy drawing the net of cube and pyramid.
Draw a net of the cuboid.
Calculate the area of each face.
Appreciate a cuboid

In groups, learners are guided to cut along slating edges VA, VB, VC, and VD
In groups, learners are guided to draw the resulting net accurately showing the measurements.
In groups, learners are guided to draw a net of the cuboid.
In groups, learners are guided to calculate the area of each face.
In groups, learners are guided to find the sum of the areas of the faces

What is the formula of working out circumference?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 160-165
Ruler
Digital devices
Learner's Book Grade 8 pg. 166

Oral questions Oral Report Observation Written exercise

Common solids

Working out Surface Area of Solids from nets of solids in different situations

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

Explain the meaning of surface area of a cuboid.
Calculate the surface area of a pyramid.
Appreciate the surface area of a pyramid.

In groups, learners are guided to explain the meaning of surface area of a cuboid.
In groups, learners are guided to write the formula of working out the surface area of a pyramid.
In groups, learners are guided to calculate the surface area of a pyramid.

What is the surface area of a cuboid?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 166-171
Ruler
Digital devices

Oral questions Oral Report Observation Written exercise

Common solids

Determining the Distance between two points on the surface of a solid in different situations
Making models of Hollow and compact solids

By the end of the lesson, the learner should be able to:
Draw accurately a net of the prism showing the path of the string.
Determine the total length of the strength.
Appreciate determining the distance two points on the surface of a solid in different situations.
On a manilla paper, draw the net accurately.
Fold the net along the dotted lines.
Hold the edges using a cello tale.
Have fun and enjoy making models.

In groups, learners are guided to draw accurately a net of the prism showing the path of the string.
On the net, learners to show the path of the string and find the lengths of DM, MB, and BE
In groups, learners are guided to determine the total length of the strength.
On a manilla paper, learners to draw the net accurately in learner's book 8 page 175
In groups, learners are guided to fold the net along the dotted lines and hold the edges using a cello tale.

How can you determine the distance between two points on the surface of a solid?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 171-174
Ruler
Digital devices
Learner's Book Grade 8 pg. 175

Oral questions Oral Report Observation Written exercise

Common solids

Making models of Hollow and compact solids
Making models of Hollow and compact solids

By the end of the lesson, the learner should be able to:
Draw a compact cylindrical model.
Fold the net along the dotted lines.
Fix the faces by gluing the flaps firmly.
Enjoy drawing a compact cylindrical model.
Use wires or straws to make a skeleton model of a cuboid.
Measure its length and width.
Have fun and enjoy modelling.

In groups, learners are guided to draw a compact cylindrical model.
In groups, learners are guided to fold the net along the dotted lines.
In groups, learners are guided to fix the faces by gluing the flaps firmly.
In groups, learners are guided to use wires or straws to make a skeleton model of a cuboid.
In groups, learners are guided to measure its length and width.
In groups, learners are guided to use a tray of matchbox and mud prepared from clay soil or plasticine, make a model of a compact solid in the shape of a cuboid.

How do you draw a compact cylindrical model?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 176
Ruler
Digital devices
Learner's Book Grade 8 pg. 177

Oral questions Oral Report Observation Written exercise

Common solids

Digital time

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

Open the link: https://www.youtube.com/watch?=_3iHKEbHTeQ&t=19s
Watch the video clip on nets of Common solids.
Appreciate the use of digital devices.

As a class, learners are guided to open the link: https://www.youtube.com/watch?=_3iHKEbHTeQ&t=19s
As a class, learners are guided to watch the video clip on nets of Common solids.
As a class, learners are guided to write short points about the video.

What have you learnt about nets of Common Solids?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 177
Ruler
Digital devices

Oral questions Oral Report Observation Written exercise

Data Handling and Probability

Data presentation and Interpretation
Interpreting bar graphs of data from real life situations.

By the end of the lesson, the learner should be able to:
Explain the meaning of bar graph.
Fill in the table in learner's book 8
Have a desire to learn more about data handling and probability.
Draw a bar graph representing amounts earned on sales of items in a certain week.
Determine the day when the sales were highest.
Appreciate the importance of Interpreting bar graphs of data from real life situations.

In groups, learners are guided to explain the meaning of bar graph.
In groups, learners are guided to fill in the table in learner's book 8.
In groups, learners are guided to choose a suitable scale and represent the data on a bar graph.
In groups, learners are guided to draw a bar graph representing amounts earned on sales of items in a certain week.
In groups, learners are guided to determine the day when the sales were highest.
In groups, learners are guided to determine the sat when the sales were lowest.

What is a bar graph?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 178-180
Ruler
Digital devices
Learner's Book Grade 8 pg. 180-184

Oral questions Oral Report Observation Written exercise

Data Handling and Probability

Drawing line graphs of given data from real life situations.
Interpreting line graphs of data from real life situations.

By the end of the lesson, the learner should be able to:
Draw the table that shows temperature recorded at different times of the day in learner's book 8
Represent the information on a line graph.
Enjoy drawing line graphs of given data from life situations.
Consider the graph showing the distance covered by a car travelling from town A to town D through B and C
Find the time the car left town A
Appreciate interpreting line graphs of data from real life situations.

In groups, learners are guided to draw the table that shows temperature recorded at different times of the day in learner's book 8
In groups, learners are guided to represent the information on a line graph.
In groups, learners are guided to share and discuss with other groups.
In groups, learners are guided to consider the graph showing the distance covered by a car travelling from town A to town D through B and C
In groups, learners are guided to find the time the car left town A
In groups, learners are guided to find how far the car was at 1:00 p.m. from town A

How do you represent an information on a line graph?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 184-186
Ruler
Digital devices
Learner's Book Grade 8 pg. 187-191

Oral questions Oral Report Observation Written exercise

Data Handling and Probability

Identifying the mode of a set of discrete data from real life situations

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

Write the numbers shown in learner's book 8
Count the number of times each of the digits is appearing in the list.
Appreciate the mode of a set of discrete data from real life situations.

In groups, learners are guided to write the numbers shown in learner's book 8 page 191
In groups, learners are guided to identify the numbers in the list without repeating any number.
In groups, learners are guided to count the number of times each of the digits is appearing in the list.

How do you identify the mode of a set of discrete data?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 191-192
Ruler
Digital devices

Oral questions Oral Report Observation Written exercise

Data Handling and Probability

Calculating the mean of a set of discrete data from real life situations
Determining the median of a set of discrete data from real life situations

By the end of the lesson, the learner should be able to:
Identify the formula of working out the mean.
Consider the ages of your fellow classmates and find the sum of the ages.
Enjoy calculating the mean of a set of discrete data from real life situations.
Identify the formula of working out the median.
Arrange the ages of your classmates in ascending order.
Enjoy calculating the median of a set of discrete data.

In groups, learners are guided to identify the formula of working out the mean.
In groups, learners are guided to consider the ages of your fellow classmates and find the sum of the ages.
In groups, learners are guided to divide the sum by the total number of learners.
In groups, learners are guided to identify the formula of working out the median.
In groups, learners are guided to arrange the ages of your classmates in ascending order.
In groups, learners to discuss and share with other groups.

How do you work out the mean of a set of discrete data?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 193-194
Ruler
Digital devices
Learner's Book Grade 8 pg. 194-196

Oral questions Oral Report Observation Written exercise

Data Handling and Probability

Digital device
Probability; Identifying events involving chance in real life situations

By the end of the lesson, the learner should be able to:
Open the link: https://youtube.be/IldxOU-v3sM
Watch the video clip on calculating mean of discrete data
Appreciate the use of digital devices.
Identify events involving chance in real life situations.
Classify the events in learner's book 8 as likely, unlikely, must happen and cannot happen.
Appreciate the events involving chance in real life situations.

As a class, learners are guided to open the link: https://youtube.be/IldxOU-v3sM
As a class, learners are guided to watch the video clip on calculating mean of discrete data.
As a class, learners are guided to write short points about the video.
In groups, learners are guided to identify events involving chance in real life situations.
In groups, learners are guided to classify the events in learner's book 8 as likely, unlikely, must happen and cannot happen.
In groups, learners to discuss and compare with other groups.

What have you learnt about mean and median of discrete data?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 196
Ruler
Digital devices
Learner's Book Grade 8 pg. 197

Oral questions Oral Report Observation Written exercise

Data Handling and Probability

Performing chance experiments in different situations

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

Explain the meaning of chance experiment.
Flip a coin once and record the outcome as either head or tail.
Have fun and enjoy performing chance experiments.

In groups, learners are guided to explain the meaning of chance experiment.
In groups, learners are guided to flip a coin once and record the outcome as either head or tail.
In groups, learners to discuss possible outcomes when fair coin is flipped once.

What is the meaning of chance experiment?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 198-199
Ruler
Digital devices

Oral questions Oral Report Observation Written exercise

Data Handling and Probability

Writing experimental probability outcomes in different situations
Expressing probability outcomes in fractions in different situations

By the end of the lesson, the learner should be able to:
Toss a fair dice ten times.
List down all the outcomes obtained from the trials
Appreciate writing experimental probability outcomes in different situations.
Define the term probability.
Flip a coin ten times and write down all the outcomes as they occur.
Appreciate the importance of probability.

In groups, learners are guided to toss a fair dice ten times.
In groups, learners are guided to list down all the outcomes obtained from the trials.
In groups, learners are guided to using the outcomes obtained, fill in the table in learner's book 8 page 199
In groups, learners are guided to define the term probability.
In groups, learners are guided to flip a coin ten times and write down all the outcomes as they occur.
In groups, learners are guided to use all the outcomes obtained, fill in the table in learner's book 8 page 200

Which are some examples of chance experiments?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 199-200
Ruler
Digital devices
Learner's Book Grade 8 pg. 200-202

Oral questions Oral Report Observation Written exercise

Data Handling and Probability

Expressing probability outcomes in decimals or percentages in different situations
Digital devices

By the end of the lesson, the learner should be able to:
Use paper cut-outs marked letters A to E.
Shuffle the paper cut-outs and draw one cut-out, note the letter and return the cut-out.
Appreciate expressing probability outcomes in decimals or percentages in different situations.
Open the link: https://www.youtube.com/watch?v=ny-cgmyNoWE
Watch the video clip on probability.
Appreciate the use of digital devices.

In groups, learners are guided to use paper cut-outs marked letters A to E.
In groups, learners are guided to shuffle the paper cut-outs and draw one cut-out, note the letter and return the cut-out.
In groups, learners are guided to list all the outcomes and fill in the table in learner's book 8 page 203
In groups, learners are guided to open the link: https://www.youtube.com/watch?v=ny-cgmyNoWE
In groups, learners are guided to watch the video clip on probability.
In groups, learners are guided to write short points about the video.

How do you express probability outcomes in decimals or percentages?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 203-204
Ruler
Digital devices
Learner's Book Grade 8 pg. 204

Oral questions Oral Report Observation Written exercise

Data Handling and Probability

Digital devices

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

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

Open the link: https://www.youtube.com/watch?v=ny-cgmyNoWE
Watch the video clip on probability.
Appreciate the use of digital devices.

In
groups, learners are guided to open the link:
https://www.youtube.com/watch?v=ny-cgmyNoWE

In groups, learners are guided to watch the video clip on
probability.

In groups, learners are guided to write short points about the video.

What have you learnt about probability?

KLB;
Top Scholar: Mathematics
Learner's Book Grade 8 pg. 204

Ruler
Digital devices

Oral questions Oral Report Observation Written exercise