Geometry

Lines - Horizontal and vertical lines

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

- Identify horizontal and vertical lines in different situations
- Demonstrate skills in identifying horizontal and vertical lines
- Appreciate the use of horizontal and vertical lines in real life

- Identify lines in the classroom and within the environment
- Describe lines in the environment and identify them as horizontal and vertical lines
- Work in groups to identify horizontal and vertical lines in the environment

Where are horizontal and vertical lines used?

Oxford Let's Do Mathematics, pg. 157
Rulers
Charts showing lines

- Observation - Oral questions - Written exercises

Geometry

Lines - Drawing horizontal and vertical lines
Lines - Perpendicular lines
Lines - Drawing perpendicular lines

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

- Draw horizontal and vertical lines
- Demonstrate skills in drawing horizontal and vertical lines
- Show interest in drawing horizontal and vertical lines

- Draw horizontal and vertical lines of different lengths
- Use vertical and horizontal lines to draw structures in the environment
- Work in groups to draw and identify horizontal and vertical lines

How do we draw horizontal and vertical lines accurately?

Oxford Let's Do Mathematics, pg. 158
Rulers
Drawing materials
Oxford Let's Do Mathematics, pg. 159
Set squares
Charts showing lines
Oxford Let's Do Mathematics, pg. 160

- Observation - Oral questions - Written exercises

Geometry

Lines - Parallel lines
Lines - Drawing parallel lines

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

- Identify parallel lines in different situations
- Demonstrate skills in identifying parallel lines
- Appreciate the use of parallel lines in real life

- Look at objects around the classroom and school compound
- Identify which lines can never meet even when extended
- Work in groups to identify parallel lines in the environment

Where are parallel lines used?

Oxford Let's Do Mathematics, pg. 160
Rulers
Charts showing lines
Oxford Let's Do Mathematics, pg. 161
Set squares
Drawing materials

- Observation - Oral questions - Written exercises

Geometry

Angles - Making turns to form angles
Angles - Uses of angles
Angles - Measuring angles using a unit angle

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

- Relate a turn to angles in real life
- Demonstrate skills in relating turns to angles
- Appreciate the relationship between turns and angles

- Walk along different paths within the school compound
- Identify the turns made and the angles formed
- Make a clock face and use it to show quarter and half turns
- Work in groups to relate turns to angles

How are turns related to angles?

Oxford Let's Do Mathematics, pg. 162
Clock faces
Directional maps
Oxford Let's Do Mathematics, pg. 163
Various objects with angles
Pictures showing angles
Oxford Let's Do Mathematics, pg. 164
Unit angle templates
Paper
Scissors

- Observation - Oral questions - Written exercises

Geometry

Angles - Degree as a unit of measuring angle

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

- Identify the degree as a unit of measuring angle
- Demonstrate skills in understanding degree measure
- Show interest in degree as a unit of angle

- Draw a half circle and place unit angles on it
- Subdivide the unit angle using the smallest divisions of the protractor
- Determine how many degrees make the unit angle
- Work in groups to understand the degree measure

What is a degree in angle measurement?

Oxford Let's Do Mathematics, pg. 165
Protractors
Unit angle templates

- Observation - Oral questions - Written exercises

Geometry

Angles - Reading a protractor

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

- Read a protractor as a tool for measuring angles
- Demonstrate skills in using a protractor
- Appreciate protractor as a tool for measuring angles

- Examine a protractor and identify its parts
- Learn how to place a protractor on angles for measurement
- Identify the inner and outer scales on the protractor
- Work in groups to practice reading protractors

How do we read a protractor correctly?

Oxford Let's Do Mathematics, pg. 166
Protractors
Angle charts

- Observation - Oral questions - Written exercises

Geometry

Angles - Measuring angles in degrees
3-D Objects - 3-D objects in the environment

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

- Measure angles in degrees
- Demonstrate skills in measuring angles
- Show interest in measuring angles in degrees

- Use a protractor to measure given angles
- Record the measurements in degrees
- Work in groups to measure various angles and share results

How do we measure angles using a protractor?

Oxford Let's Do Mathematics, pg. 167
Protractors
Angle charts
Oxford Let's Do Mathematics, pg. 168
3-D objects (cubes, cuboids, cylinders, spheres, pyramids)

- Observation - Oral questions - Written exercises

Geometry

3-D Objects - Cubes and cuboids

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

- Describe 2-D shapes in cubes and cuboids
- Demonstrate skills in identifying 2-D shapes in 3-D objects
- Show interest in identifying 2-D shapes in 3-D objects

- Get objects that look like cubes and cuboids
- Identify 2-D shapes on these objects
- Work in groups to identify and count the number of each 2-D shape in cubes and cuboids

What 2-D shapes can we see in cubes and cuboids?

Oxford Let's Do Mathematics, pg. 169
Cubes
Cuboids

- Observation - Oral questions - Written exercises

Geometry

3-D Objects - Cylinders and spheres

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

- Describe 2-D shapes in cylinders and spheres
- Demonstrate skills in identifying 2-D shapes in 3-D objects
- Appreciate 2-D shapes in 3-D objects

- Get objects that look like cylinders and spheres
- Identify 2-D shapes on these objects
- Work in groups to identify and count the number of each 2-D shape in cylinders and spheres

What 2-D shapes can we see in cylinders and spheres?

Oxford Let's Do Mathematics, pg. 170
Cylinders
Spheres

- Observation - Oral questions - Written exercises

Geometry
Data Handling

3-D Objects - Pyramids
Data Representation - Collecting data

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

- Describe 2-D shapes in pyramids
- Demonstrate skills in identifying 2-D shapes in 3-D objects
- Show interest in identifying 2-D shapes in 3-D objects

- Get objects that look like pyramids
- Identify 2-D shapes on these objects
- Work in groups to identify and count the number of each 2-D shape in pyramids

What 2-D shapes can we see in pyramids?

Oxford Let's Do Mathematics, pg. 171
Pyramids
Oxford Let's Do Mathematics, pg. 172
Data collection sheets

- Observation - Oral questions - Written exercises

Data Handling

Data Representation - Recording data in tables

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

- Draw a table to record data from real life
- Demonstrate skills in recording data in tables
- Show interest in organizing data in tables

- Prepare data collection and recording tools
- Record collected data on books or charts
- Work in groups to organize data in tables

How do we organize data in tables?

Oxford Let's Do Mathematics, pg. 173
Data collection sheets
Chart paper

- Observation - Oral questions - Written exercises

Data Handling

Data Representation - Drawing tally marks

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

- Draw tally marks of the collected data
- Demonstrate skills in using tally marks
- Appreciate the use of tally marks in data representation

- Discuss how to draw tally marks for data
- Represent collected data using tally marks
- Work in groups to record data using tally marks

Why do we use tally marks to represent data?

Oxford Let's Do Mathematics, pg. 174
Data collection sheets
Chart paper

- Observation - Oral questions - Written exercises

Data Handling

Data Representation - Frequency tables
Data Representation - Interpreting data
Data Representation - Application of data

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

- Prepare a frequency table to represent data
- Demonstrate skills in creating frequency tables
- Show interest in representing data using frequency tables

- Discuss how to prepare frequency tables
- Convert tally marks into frequencies
- Work in groups to create frequency tables from collected data

How do we create frequency tables?

Oxford Let's Do Mathematics, pg. 175
Data collection sheets
Chart paper
Oxford Let's Do Mathematics, pg. 176
Data tables
Oxford Let's Do Mathematics, pg. 177

- Observation - Oral questions - Written exercises