Measurements

Money; Identifying interest and principal in real life situations
Calculating simple interest in real life situations

By the end of the lesson, the learner should be able to:
Visit a financial institution in their neighbourhood.
Discuss how money is deposited and borrowed from a financial institution.
Have fun and enjoy the visit.
Calculate compound interest step by step per annum up to three years in real life situations.
Calculate how much simple interest is earned as interest during that period.
Enjoy calculating simple interest in real life situations.

In groups or in pairs, learners are guided to visit a financial institution in their neighbourhood.
In groups or in pairs, learners are guided to discuss how money is deposited and borrowed from a financial institution.
In groups or in pairs, learners are guided to calculate compound interest step by step per annum up to three years in real life situations.
In groups or in pairs, learners are guided to calculate how much simple interest is earned as interest during that period.

How is money deposited?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 89-90
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Learner's Book Grade 8 pg. 90-92

Oral questions Oral Report Observation Written exercise

Measurements

Calculating compound interest step by step per annum up to three years in real life situations
Working out Appreciation and Depreciation step by step per annum up to three years in different situations

By the end of the lesson, the learner should be able to:
Define compound interest.
State the formula of calculating compound interest step by step per annum up to three years.
Calculate compound interest step by step per annum up to three years in real life situations.
Enjoy calculating compound interest step by step per annum up to three years in real life situations.
List items found in their community whose value appreciate with time.
Identify items found in their community that depreciates in value with time.
Recognise items that are likely to give profits on investments.
Advocate the importance of appreciation.

In groups or in pairs, learners are guided to define compound interest.
In groups or in pairs, learners are guided to state the formula of calculating compound interest step by step per annum up to three years.
In groups or in pairs, learners are guided to calculate compound interest step by step per annum up to three years in real life situations.
In groups or in pairs, learners are guided to list items found in their community whose value appreciate with time.
In groups or in pairs, learners are guided to identify items found in their community that depreciates in value with time.
In groups or in pairs, learners are guided to recognise items that are likely to give profits on investments.

What is compound interest?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 92-94
Ruler
Digital devices
Learner's Book Grade 8 pg. 94

Oral questions Oral Report Observation Written exercise

Measurements

Working out appreciation

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

Explain the meaning of appreciation.
State the formula of calculating appreciation.
Work out appreciation.
Enjoy working out appreciation.

In groups or in pairs, learners are guided to explain the meaning of appreciation.
In groups or in pairs, learners are guided to state the formula of calculating appreciation.
In groups or in pairs, learners are guided to work out appreciation.

What is appreciation? How do you calculate appreciation?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 95-96
Ruler
Digital devices

Oral questions Oral Report Observation Written exercise

Measurements

Working out depreciation
Working out hire purchase in real life situations

By the end of the lesson, the learner should be able to:
Explain the meaning of depreciation.
State the formula of calculating depreciation
Work out depreciation.
Enjoy working out depreciation
Explain the meaning of deposit, cash price and instalments.
State the formula of calculating hire purchase.
Working out hire purchase.
Enjoy working out hire purchase in real life situations.

In groups or in pairs, learners are guided to explain the meaning of depreciation.
In groups or in pairs, learners are guided to state the formula of calculating depreciation
In groups or in pairs, learners are guided to work out depreciation.
In groups or in pairs, learners are guided to explain the meaning of deposit, cash price and instalments.
In groups or in pairs, learners are guided to state the formula of calculating hire purchase
In groups or in pairs, learners are guided to working out hire purchase.

What is depreciation? How do you calculate depreciation?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 96-97
Ruler
Digital devices
Learner's Book Grade 8 pg. 98-99

Oral questions Oral Report Observation Written exercise

Geometry

Geometrical Constructions
Construction of parallel lines using a set square and a rule

By the end of the lesson, the learner should be able to:
Define the term
Draw line ST and point P above the line.
Construct parallel lines using a set square and a rule.
Enjoy constructing parallel lines using a set square and a rule.

In groups or in pairs, learners are guided to define the term
In groups or in pairs, learners are guided to draw line ST and point P above the line.
In groups or in pairs, learners are guided to construct parallel lines using a set square and a rule.

What is the meaning of parallel?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 100-102
Ruler
Digital devices
Learner's Book Grade 8 pg. 102-104

Oral questions Oral Report Observation Written exercise

Geometry

Perpendicular lines' Construction of a perpendicular line from a point to a given line

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

Draw line AB and point M as shown on page 105
With M as the center and a suitable radius, construct two arcs to cut AB at C and D.
Construction of a perpendicular line from a point to a given line.
Have fun and enjoy constructing a perpendicular line from a point to a given line.

In groups or in pairs, learners are guided to Draw line AB and point M as shown on page 105, with M as the center and a suitable radius, construct two arcs to cut AB at C and D.
In groups or in pairs, learners are guided to construction of a perpendicular line from a point to a given line.

How do you construct a perpendicular line from a point to a given line?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 105-106
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Oral questions Oral Report Observation Written exercise

Geometry

Construction of a perpendicular line through a point on a given line
Dividing a line proportionally in different situations

By the end of the lesson, the learner should be able to:
Define the term
Draw line AB and AC of convenient length as shown on page 107
Divide a line proportionally in different situations.
Enjoy using a pair of compass.

In groups or in pairs, learners are guided to define the term
In groups or in pairs, learners are guided to draw line AB and AC of convenient length as shown on page 107
In groups or in pairs, learners are guided to divide a line proportionally in different situations.

How do you construct a perpendicular line through a point on a given line?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 106-107
Ruler
Digital devices
Learner's Book Grade 8 pg. 107-109

Oral questions Oral Report Observation Written exercise

Geometry

Identifying angle properties of polygons in different situations
Construction of a regular polygon up to a hexagon in different situations

By the end of the lesson, the learner should be able to:
Identify angle properties of polygons in different situations
Discuss how to relate the sum of interior angles of a polygon to the number of sides.
Fill in the table on page 109 for regular polygons.
Appreciate properties of polygons in different situations.
Construct line PQ = 5cm
Using P and Q as centers and radius 5 cm, construct two arcs interesting at r.
Join P to R and Q to R
Have a desire to learn more about polygons.

In groups or in pairs, learners are guided to identify angle properties of polygons in different situations
In groups or in pairs, learners are guided to discuss how to relate the sum of interior angles of a polygon to the number of sides.
In groups or in pairs, learners are guided to fill in the table on page 109 for regular polygons.
In groups or in pairs, learners are guided to Construct line PQ = 5cm, using P and Q as centers and radius 5 cm, construct two arcs interesting at r.
In groups or in pairs, learners are guided to join P to R and Q to R

How do you identify angle properties of polygon?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 109-112
Ruler
Digital devices
Learner's Book Grade 8 pg. 112

Oral questions Oral Report Observation Written exercise

Geometry

Regular quadrilateral
Regular pentagon

By the end of the lesson, the learner should be able to:
Draw line AB = 6 cm
On the same side of AB, construct two perpendicular lines at A and E
Using A as centre and radius 6 cm, mark point D on the perpendicular.
Enjoy constructing regular quadrilateral.
Define the term pentagon.
Draw a regular pentagon.
Construct a regular pentagon.
Enjoy constructing a regular pentagon.

In groups or in pairs, learners are guided to draw line AB = 6 cm on the same side of AB, construct two perpendicular lines at A and E
In groups or in pairs, learners are guided to using A as centre and radius 6 cm, mark point D on the perpendicular.
In groups or in pairs, learners are guided to define the term pentagon.
In groups or in pairs, learners are guided to draw a regular pentagon.
In groups or in pairs, learners are guided to construct a regular pentagon.

How do you construct regular quadrilateral?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 113
Ruler
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Oral questions Oral Report Observation Written exercise

Geometry

Regular hexagon

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

Explain the meaning of hexagon.
Draw a hexagon.
Find the size of each of the interior angles of the hexagon.
Enjoy constructing a regular hexagon in different situation.

In groups or in pairs, learners are guided to explain the meaning of hexagon.
In groups or in pairs, learners are guided to draw a hexagon.
In groups or in pairs, learners are guided to find the size of each of the interior angles of the hexagon.

How do you construct a regular hexagon?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 113-117
Ruler
Digital devices

Oral questions Oral Report Observation Written exercise

Geometry

Construction of irregular polygons up to a hexagon in different situations
Quadrilateral

By the end of the lesson, the learner should be able to:
Consider an irregular tringle PQR such that PQ = 4 cm, QR = 6 cm and PR = 5 cm
Construct an irregular triangle.
Enjoy constructing an irregular triangle.
Construct line PQ = 5 cm
Measure and draw angles 110 and 55 at P and Q respectively.
Construct an irregular quadrilateral.
Have fun and enjoy constructing irregular quadrilateral.

In groups or in pairs, learners are guided to consider an irregular tringle PQR such that PQ = 4 cm, QR = 6 cm and PR = 5 cm
In groups or in pairs, learners are guided to construct an irregular triangle.
In groups or in pairs, learners are guided to construct line PQ = 5 cm
In groups or in pairs, learners are guided to measure and draw angles 110 and 55 at P and Q respectively.
In groups or in pairs, learners are guided to construct an irregular quadrilateral.

How do you construct an irregular triangle?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 117
Ruler
Digital devices
Learner's Book Grade 8 pg. 118

Oral questions Oral Report Observation Written exercise

Geometry

Trapezium
Rhombus

By the end of the lesson, the learner should be able to:
Define the term trapezium.
Draw an irregular trapezium.
Construct an irregular trapezium.
Enjoy constructing an irregular trapezium.
Define the term rhombus.
Draw a rhombus.
Construct a rhombus.
Enjoy constructing a rhombus.

In groups or in pairs, learners are guided to define the term trapezium.
In groups or in pairs, learners are guided to draw an irregular trapezium.
In groups or in pairs, learners are guided to construct an irregular trapezium.
In groups or in pairs, learners are guided to define the term rhombus.
In groups or in pairs, learners are guided to draw a rhombus.
In groups or in pairs, learners are guided to construct a rhombus.

How do construct an irregular trapezium?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 118-119
Ruler
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Learner's Book Grade 8 pg. 119-120

Oral questions Oral Report Observation Written exercise

Geometry

Irregular pentagon

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

Draw line EF = 4 cm
Construct an irregular pentagon.
Enjoy constructing an irregular pentagon.

In groups or in pairs, learners are guided to draw line EF = 4 cm
In groups or in pairs, learners are guided to construct an irregular pentagon.

How do you construct an irregular pentagon?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 120-122
Ruler
Digital devices

Oral questions Oral Report Observation Written exercise

Geometry

Construction of circles passing through the vertices of a triangle in different situations.
Construction of circles touching the sides of a triangle in different situations

By the end of the lesson, the learner should be able to:
Draw a triangle.
Construct the perpendicular bisectors of AB and AC to intersect at O
Construct circles passing through the vertices of a triangle.
Enjoy constructing circles passing through the vertices of a triangle.
Construct the angle bisectors of angle PQR and angle QPR to meet at M
Construct circles touching the sides of a triangle.
Enjoy constructing circles touching the sides of a triangle.

In groups or in pairs, learners are guided to draw a triangle.
In groups or in pairs, learners are guided to construct the perpendicular bisectors of AB and AC to intersect at O
In groups or in pairs, learners are guided to construct circles passing through the vertices of a triangle.
In groups or in pairs, learners are guided to construct the angle bisectors of angle PQR and angle QPR to meet at M
In groups or in pairs, learners are guided to construct circles touching the sides of a triangle.

How do you construct circles passing through the vertices of a triangle?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 122-124
Ruler
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Learner's Book Grade 8 pg. 125-127

Oral questions Oral Report Observation Written exercise

Geometry

Coordinates and Graphs; Drawing and Labelling a Cartesian plane
Identifying Points on the Cartesian Plane in Different Situations

By the end of the lesson, the learner should be able to:
On a grid draw a horizontal line.
Draw a vertical intersecting the horizontal line at point O.
Appreciate the uses of graphs.
Draw the graph in learner's book 8 page 129
Identify Points on the Cartesian Plane in Different Situations.
Locate points A, B, C and D in reference to the values along x and y axes.
Appreciate the Points on the Cartesian Plane.

In groups or in pairs, learners are guided to on a grid draw a horizontal line.
In groups or in pairs, learners are guided to draw a vertical intersecting the horizontal line at point O.
In groups or in pairs, learners are guided to draw the graph in learner's book 8 page 129
In groups or in pairs, learners are guided to identify Points on the Cartesian Plane in Different Situations.
In groups or in pairs, learners are guided to locate points A, B, C and D in reference to the values along x and y axes.

What is a grid?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 128
Ruler
Digital devices
Learner's Book Grade 8 pg. 129-131

Oral questions Oral Report Observation Written exercise

Geometry

Plotting Points on the Cartesian Plane in Different Situations

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

Draw the graph in learner's book 8 page 131
Draw a Cartesian plane
Plot points on the Cartesian plane in different situations.
Enjoy plotting points on the Cartesian Plane in Different Situations.

In groups or in pairs, learners are guided to draw the graph in learner's book 8 page 131
In groups or in pairs, learners are guided to draw a Cartesian plane.
In groups or in pairs, learners are guided to plot points on the Cartesian plane in different situations.

How do you plot Points on the Cartesian Plane in Different Situations?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 131-132
Ruler
Digital devices

Oral questions Oral Report Observation Written exercise

Geometry

Generating Table of Values for Linear Equation in Different Situations.
Determining an Appropriate Scale for a Linear Equation on Cartesian Plane in Different Situations

By the end of the lesson, the learner should be able to:
Work out activity 4 in learner's book 8 page 133
Generate Table of Values for Linear Equation in Different Situations.
Enjoy generating table of values for linear equation in different Situations.
Use a suitable scale for a given point, find the corresponding values representing the given values.
Determining an appropriate scale for a linear equation on cartesian plane.
Appreciate the importance of using suitable scale.

In groups or in pairs, learners are guided to work out activity 4 in learner's book 8 page 133
In groups or in pairs, learners are guided to generate Table of Values for Linear Equation in Different Situations.
In groups or in pairs, learners are guided to use a suitable scale for a given point, find the corresponding values representing the given values.
In groups or in pairs, learners are guided to determining an appropriate scale for a linear equation on cartesian plane.

How do you generate table of values for linear equation in different situations?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 133-134
Ruler
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Learner's Book Grade 8 pg. 134-136

Oral questions Oral Report Observation Written exercise

Geometry

Drawing a Linear Graph from Table of Values on Cartesian Plane in different Situations
Solving Simultaneous Linear Equation Graphically in Different Situations

By the end of the lesson, the learner should be able to:
Copy and complete the table in learner's book 8 page 136
Plot the points on a cartesian coordinate system.
Drawing a linear graph from table of values on cartesian plan.
Enjoy drawing a linear graph from table of values on cartesian plan.
Use three values of x to make tables of values of x and y for the two linear equations.
Draw linear graphs for the two equations in the same Cartesian plane.
Solving simultaneous linear equation graphically.
Enjoy solving simultaneous linear equation graphical.

In groups or in pairs, learners are guided to Copy and complete the table in learner's book 8 page 136
In groups or in pairs, learners are guided to plot the points on a cartesian coordinate system.
In groups or in pairs, learners are guided to drawing a linear graph from table of values on cartesian plan.
In groups or in pairs, learners are guided to use three values of x to make tables of values of x and y for the two linear equations.
In groups or in pairs, learners are guided to draw linear graphs for the two equations in the same Cartesian plane.
In groups or in pairs, learners are guided to Solving simultaneous linear equation graphically.

How do you draw linear graph from table of values on cartesian plan?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 136-138
Ruler
Digital devices
Learner's Book Grade 8 pg. 138-139

Oral questions Oral Report Observation Written exercise

Geometry

Scale Drawing; Representing lengths to a given scale in different situations

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

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.

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

What is the length of your desk?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 143-144
Ruler
Digital devices

Oral questions Oral Report Observation Written exercise

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
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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
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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
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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
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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
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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
Determining the Distance between two points on the surface of a solid 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.
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.

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.
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.

What is the surface area of a cuboid?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 166-171
Ruler
Digital devices
Learner's Book Grade 8 pg. 171-174

Oral questions Oral Report Observation Written exercise

Common solids

Making models of Hollow and compact solids

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

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.

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 do you make a skeleton model of a cube of side 8.5cm?

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

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
Data Handling and Probability

Digital time
Data presentation and Interpretation

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.
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.

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.
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.

What have you learnt about nets of Common Solids?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 177
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Learner's Book Grade 8 pg. 178-180

Oral questions Oral Report Observation Written exercise

Data Handling and Probability

Interpreting bar graphs of data from real life situations.

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

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 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.

How much more sales were made on Wednesday than Friday?

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

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
Calculating the mean 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.
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.

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.
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.

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
Learner's Book Grade 8 pg. 193-194

Oral questions Oral Report Observation Written exercise

Data Handling and Probability

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 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 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 median of a set of discrete data?

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

Oral questions Oral Report Observation Written exercise