**MATHEMATICS**

**JS II THIRD TERM**

**THEME: MEASURATION AND GEOMETRY**

**SUB-THEME: SHAPES **

**WK 1 Plane figures/shapes**

Students should be able to:

1. state the properties of parallelogram, rhombus and kite.

2. identify these shapes in their environments.

**Content**

1. Properties of parallelogram, rhombus and kite.

**Teacher**: 1. Guides student to identify the properties of parallelogram, rhombus and kite.

2. Leads student to identify these shapes in their environments.

**Students**: 1. Identify the properties of parallelogram, rhombus and kite.

2. Identify these shapes in the environments.

**Teaching aids: **

1. Models of parallelogram, rhombus and kite.

**WK 2 Plane figures/shapes**

1. draw plane objects to scale.

2. convert actual length to scale and

vice versa.

**Content**

1. Scale drawing 1. Guides students to

measure actual lengths of teachers table and their classroom.

2. Leads students to convert actual length to given scale and vice versa.

1. Measure the actual length of given objects and draw them to scale.

2. Convert actual length to scale and

vice versa.

Tape (steel and rolling), ruler, pencil, plain sheets.

1. Draw actual length to scale.

3 Plane figures/shapes

1. apply scale drawing to solve measurement problems.

2. solve problems on quantitative aptitude related to plane shapes/figure and scale drawing.

1. Scale drawing 1.

**Teacher**: Leads student to apply scale drawing to solve measurement problems.

2. Guides student to solve problems on quantitative aptitude related to plane shapes/figure and scale drawing.

**Students**: 1. Apply scale drawing to solve measurement problems.

2. Solve problems on quantitative aptitude related to plane shapes/figure and scale drawing.

**Teaching aids **

Tape (steel and rolling), ruler, pencil, plain sheets.

**WK 4 Angles **

Students should be able to:

1. find the sum of angles of a triangle.

2. find the sum of angle in a quadrilateral.

3. find the sum of the interior angles of a polygon.

**Content**

1. Sum of angles of a polygon

1. Guides students to find the sum of angles of a triangle.

2. Guides students to find the sum of angle in a quadrilateral.

3. Leads students to discover that the sum of interior angles of an n- sided convex polygon is 2n-4 right angles or (n- 2)180o.

**Students**: 1. Find the sum of angles

of a triangle.

2. Find the sum of angle in a quadrilateral.

3. Use the sum of interior angles to calculate any given related problem.

**Teaching aids **

Cut out shapes of triangles

Cut out shapes of quadrilateral

Cut out shapes of other polygon types

Rulers, tapes, protractor.

1. Find the sum of angles of a triangle.

2. Find the sum of angle in a quadrilateral.

3. Find the sum of interior angles of

a given convex polygon.

**WK 5 Angles **

Students should be able to:

**1. **distinguish between angles of elevation and angles of depression.

2. use angles of elevation and

depression in calculating distances

and heights using scale drawing.

3. identify angles of elevation and depression.

4. solve problems on quantitative aptitude related to angles.

**Content**

1. Angles of elevation and depression.

**Teacher**: 1. Leads student to identify what angles of elevation and depression means.

2. Guides student to use angles of elevation and depression in calculation using scale drawing.

3. Guides student to identify the relationship between angles of elevation and depression.

4. Leads student to solve problems on quantitative aptitude related to angles.

**Students**: 1. Identify what angles

of elevation and depression means.

2. Use angles of elevation and depression in calculation using scale

drawing.

3. Identify the relationship between

angles of elevation and depression.

4. Solve problems on quantitative aptitude related to angles.

**Teaching aids **

1. Rulers, tapes, protractor and pencil

**WK 6 Bearing **

Students should be able to:

1. identify the cardinal points.

2. locate the position of objects.

3. find distances between objects using scale drawing.

**Content**

Bearing

**Teacher**: 1. Guides student to identify the major and minor cardinal points.

2. Guides student to locate the position of objects using 3-digit bearing.

3. Guides student to find distances between objects using scale drawing.

1. Identify the major and minor cardinal points.

2. Locate the position of objects using 3. digit bearing.

**Teaching aids **

1.Protractor, Ruler, Compass 3600 â€“

(wooden, metal or plastic), clinometer

**WK 7 Construction 1. **

Students should be able to:

1. construct triangles given:

(a) 2 sides and a secluded angle

(b) 2 angles and a side between them.

2. bisect any given angle.

**Content**

1. Constructing triangles

2. Bisecting angles.

**Teacher**: 1. Guides student to construct triangles using a protractor

and ruler

2. Leads student to bisect any given angle using a pair of compasses ensuring that students follow the basic steps.

**Students**: 1. Construct triangles using

protractor and ruler.

2. Bisect any given angle following the

basic steps.

**Teaching aids **

Plain paper,

Protractor,

Ruler,

Pair of compasses and Mathematical set.

**WK 8 Everyday Statistics data**

**collection and presentation**

Students should be able to:

1. present data in an ordered form.

2. construct frequency tables from any given data.

1. Ordered presentation of

data.

2. Frequency table.

1. Guides student to arrange data in an ordered form.

2. Guides student to display any given data on frequency table.

1. Arrange data in an ordered form.

2. Display any given data on frequency table.

Source information 1. present data in an ordered form.

2. construct

frequency table from

a given data.

**WK 9. Data presentation**

1. draw pie charts.

2. read information from pie charts.

3. generate and use data for statistical

purposes.

4. interpret and use tables, charts, records and schedules.

**Content**

1. Pie charts.

2. Charts, records and schedules.

**Teacher**: 1. Guides student to draw pie charts.

2. Guides student to read information from pie charts.

3. Leads student to generate and use data for statistical purposes.

4. Guides student to interpret and use tables, charts, records and schedules.

1. Draw pie chart.

2. Read information from pie charts.

3. Generate and use data for statistical

purposes.

4. Interpret and use tables, charts, records and schedules.

1. Source information

Distance charts

Flight schedule, etc

**WK 10. Probability **

Students should be able to:

1. discuss the occurrence of chance events in everyday life.

2. determine the probability of certain events.

3. apply the occurrence of chance

events/probabilities in everyday life.

**Content**

1. Occurrence of chance events in everyday life.

2. Probability of chance events.

**Teacher**: 1. Leads student to give examples of chance events in everyday life e.g. the chance or event that rain will fall in

December.

2. Leads student to perform experiment using coin and die.

3. Guides student to calculate the probability of the resulting

experiments.

4. Guides student to analyze statistical data with the use of probability such as mortality rate, etc.

5. Guides student to apply the occurrence of chance events in everyday life.

**Students**: 1. Calculate the probability of the resulting experiments.

2. Analyze statistical data with the use of probability.

3. Mention the application of probability in everyday life.

**Teaching aids **

Source information sheet on events.

**11 REVISION**

**12 EXAMINATION**

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