Geometry

Scale Drawing; Representing lengths to a given scale in different situations
Converting actual length to scale length in real life 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
Learner's Book Grade 8 pg. 145-146

Oral questions Oral Report Observation Written exercise

Geometry

Converting scale length to actual length in real life situations
Interpreting linear scales in statements form in different situations
Writing Linear scale in Statement form in different situations
Interpreting linear scales in ratio form in different situations
Writing linear scales in ratio form in different 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
Learner's Book Grade 8 pg. 148-149
Learner's Book Grade 8 pg. 149-151
Learner's Book Grade 8 pg. 151-152
Learner's Book Grade 8 pg. 152-153

Oral questions Oral Report Observation Written exercise

Geometry
Common solids

Converting linear scale from statement form to ratio form in different situations
Converting linear scale from ratio from to statement form in different situations
Making scale drawing in different situations
Digital time
Identification of common solids from the environment
Nets of Common Solids in Different Situations
Draw a rectangular based pyramid
Working out Surface Area of Solids from nets of solids in different situations
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:

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.


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 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.

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 do you convert linear scale from statement form to ratio form?
How many faces does square box have?

KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 153-154
Ruler
Digital devices
Learner's Book Grade 8 pg. 154-155
Learner's Book Grade 8 pg. 155-157
Learner's Book Grade 8 pg. 157
Learner's Book Grade 8 pg. 158-159
KLB; Top Scholar: Mathematics
Learner's Book Grade 8 pg. 159-160
Ruler
Digital devices
Learner's Book Grade 8 pg. 160-165
Learner's Book Grade 8 pg. 166
Learner's Book Grade 8 pg. 166-171
Learner's Book Grade 8 pg. 171-174

Oral questions Oral Report Observation Written exercise

Common solids
Data Handling and Probability
Data Handling and Probability

Making models of Hollow and compact solids
Digital time
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:

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
Learner's Book Grade 8 pg. 176
Learner's Book Grade 8 pg. 177
Learner's Book Grade 8 pg. 178-180
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.
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
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:

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
Learner's Book Grade 8 pg. 187-191
Learner's Book Grade 8 pg. 191-192
Learner's Book Grade 8 pg. 193-194
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
Performing chance experiments in different situations
Writing experimental probability outcomes in different situations
Expressing probability outcomes in fractions in different situations
Expressing probability outcomes in decimals or percentages in different situations
Digital devices
Digital devices

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
Learner's Book Grade 8 pg. 197
Learner's Book Grade 8 pg. 198-199
Learner's Book Grade 8 pg. 199-200
Learner's Book Grade 8 pg. 200-202
Learner's Book Grade 8 pg. 203-204
Learner's Book Grade 8 pg. 204
KLB;
Top Scholar: Mathematics
Learner's Book Grade 8 pg. 204

Ruler
Digital devices

Oral questions Oral Report Observation Written exercise