TOPIC: WHOLE NUMBERS – COUNTING, READING AND WRITING NUMBERS UP TO 999
A: TEACHING AND LEARNING MATERIALS
- Number chart 1–999.
- Number flashcards.
- Bundles of sticks.
- Counters or bottle tops.
- Pupils’ writing books and pencils.
B: REFERENCE MATERIALS
- Scheme of work.
- Recommended Mathematics textbook for Primary 3.
- Online educational resources.
C: PREVIOUS KNOWLEDGE
The pupils have learnt how to count, read and write simple whole numbers in Primary 2.
D: PERFORMANCE OBJECTIVES
By the end of the lesson, pupils should be able to:
- Count numbers up to 999.
- Read numbers up to 999 correctly.
- Write numbers up to 999 in figures.
- Write simple numbers in words.
- Identify numbers before and after given numbers.
E: CONTENT
Whole Numbers
Whole numbers are the numbers we use for counting.
Examples:
- 1, 2, 3, 4, 5
- 25, 26, 27
- 100, 101, 102
Counting in Hundreds
We can count:
- 100, 200, 300, 400, 500
- 600, 700, 800, 900
Reading and Writing Numbers
Examples:
- 125 – One hundred and twenty-five
- 340 – Three hundred and forty
- 508 – Five hundred and eight
- 999 – Nine hundred and ninety-nine
Numbers Before and After
Example:
Before 36 → 35
After 36 → 37
Therefore:
35, 36, 37
Another example:
198, 199, 200
F: LESSON PRESENTATION
F1: Teachers’ Activities
- Revises counting with the pupils.
- Displays a number chart.
- Guides pupils to count numbers up to 999.
- Writes numbers on the board for pupils to read.
- Demonstrates how to write numbers in words.
- Asks pupils to identify numbers before and after given numbers.
F2: Pupils’ Activities
- Count numbers aloud.
- Read numbers from the chart.
- Write given numbers in figures.
- Write simple numbers in words.
- Identify numbers before and after given numbers.
G: CONCLUSION
The teacher revises counting, reading and writing whole numbers up to 999 and corrects pupils where necessary.
The teacher encourages pupils to practise counting numbers at home.
H: EVALUATION GUIDE
Pupils should be able to answer the following questions:
- Write 245 in words.
- Write six hundred and twenty in figures.
- What number comes after 399?
- What number comes before 700?
- Count from 490 to 500.
- Write 800 in words.