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

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.

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.

How do you convert actual length to scale length?

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

Oral questions Oral Report Observation Written exercise

Geometry

Converting scale length to actual length in real life situations

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

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 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 scale length to actual length?

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

Oral questions Oral Report Observation Written exercise

Geometry

Interpreting linear scales in statements 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.

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.

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

Oral questions Oral Report Observation Written exercise

Geometry

Writing Linear scale in Statement form in different situations

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

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 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 write linear scale in Statement form?

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

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

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.

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.

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.

How do you write linear scales in ratio form?

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

Oral questions Oral Report Observation Written exercise

Geometry

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

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

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 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 convert linear scale from statement form to ratio form?

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

Oral questions Oral Report Observation Written exercise

Geometry

Converting linear scale from ratio from to statement form 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.

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.

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

Oral questions Oral Report Observation Written exercise

Geometry

Making scale drawing in different situations

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

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 making scale drawing in different situations.
In groups, learners are guided to recognize the use of scale drawing in maps.

How do you use scale drawing in real life situations?

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

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

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.

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.

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

Oral questions Oral Report Observation Written exercise

Common solids

Nets of Common Solids in Different Situations

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

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 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.

How many faces does square box have?

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

Oral questions Oral Report Observation Written exercise

Common solids

Draw a rectangular based pyramid

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.

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.

What is the formula of working out circumference?

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

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:

Draw a net of the cuboid.
Calculate the area of each face.
Appreciate a cuboid

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

How do you work out the area of a cuboid?

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

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

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.

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.

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

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

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.

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.

How do you draw a compact cylindrical model?

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

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:

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.

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.

How do you draw a compact cylindrical model?

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

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:

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 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 make a skeleton model of a pyramid on a square base of side 4.5cm and slant height 6 cm?

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

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

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.

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 is a bar graph?

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

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.

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.

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.

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

Oral questions Oral Report Observation Written exercise

Data Handling and Probability

Interpreting line graphs of data from real life situations.

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

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 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 interpret line graphs of data from real life situations?

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

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

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.

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 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

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

Data Handling and Probability

Digital device

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.

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.

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

Oral questions Oral Report Observation Written exercise

Data Handling and Probability

Probability; Identifying events involving chance in real life situations

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

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.

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.

How do you identify events as likely, unlikely, must happen and cannot happen?

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

Oral questions Oral Report Observation Written exercise

Data Handling and Probability

Probability; Identifying events involving chance in real life situations

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

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.

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.

How do you identify events as likely, unlikely, must happen and cannot happen?

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

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

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.

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

Which are some examples of chance experiments?

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

Oral questions Oral Report Observation Written exercise

Data Handling and Probability

Expressing probability outcomes in fractions in different situations

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

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 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

What is probability?

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

Oral questions Oral Report Observation Written exercise

Data Handling and Probability

Expressing probability outcomes in decimals or percentages in different situations

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.

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

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

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:

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

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