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PRIMARY 6: MATHEMATICS – FIRST TERM | WEEK 3

Updated January 19, 2026First Term, Mathematics, Primary 6

TOPIC: PLACE VALUE OF WHOLE NUMBERS AND DECIMALS

A: TEACHING AND LEARNING MATERIALS

  1. Place value chart.
  2. Number cards.
  3. Decimal number flashcards.
  4. Counters.
  5. Chalkboard or whiteboard.
  6. Pupils’ exercise books.

B: REFERENCE MATERIALS

  1. Scheme of work.
  2. Recommended Mathematics textbook for Primary 6.
  3. Online educational resources.

C: PREVIOUS KNOWLEDGE

The pupils have learnt place values of digits in whole numbers and can read and write large numbers.

D: PERFORMANCE OBJECTIVES

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

  1. Identify the place value of digits in whole numbers.
  2. distinguish between face value and place value.
  3. Identify place values in decimal numbers.
  4. Write whole numbers in expanded form.
  5. Write decimals in expanded form.
  6. Compare decimal numbers.
  7. Arrange decimal numbers in order.

E: CONTENT

Meaning of Place Value

Place value is the value of a digit according to its position in a number.
Example:
In 45,672:

  • 4 is in the ten-thousands place = 40,000
  • 5 is in the thousands place = 5,000
  • 6 is in the hundreds place = 600
  • 7 is in the tens place = 70
  • 2 is in the units place = 2

Face Value

The face value of a digit is the digit itself.
In 6,482:
The face value of 4 is 4.
Its place value is 400.

Decimal Place Values

Digits after the decimal point also have place values.
Example:

24.568

Digit Place
2 Tens
4 Units
5 Tenths
6 Hundredths
8 Thousandths

Expanded Form

45,672

\= 40,000 + 5,000 + 600 + 70 + 2
Decimal example:

23.46

\= 20 + 3 + 0.4 + 0.06

Comparing Decimals

Compare digits from left to right.
Example:

4.75 > 4.50

2.36 < 2.63

Ordering Decimals

Ascending:
1.25, 1.50, 1.75, 2.00
Descending:
2.00, 1.75, 1.50, 1.25

F: LESSON PRESENTATION

F1: Teachers’ Activities

  1. Revises place value of whole numbers.
  2. Displays a place value chart.
  3. Explains face value and place value.
  4. Introduces decimal place values.
  5. Demonstrates expanded form.
  6. Guides pupils in comparing decimal numbers.
  7. Gives exercises on arranging decimals.

F2: Pupils’ Activities

  1. Identify place values of digits.
  2. State face values of given digits.
  3. Identify tenths, hundredths and thousandths.
  4. Write numbers in expanded form.
  5. Compare decimal numbers.
  6. Arrange decimals in ascending order.
  7. Arrange decimals in descending order.

G: CONCLUSION

The teacher revises place value, face value and decimal place values with the pupils.
The teacher corrects mistakes and encourages pupils to practise writing numbers in expanded form.

H: EVALUATION GUIDE

Pupils should be able to answer the following questions:

  1. What is the place value of 5 in 254,700?
  2. What is the face value of 7 in 3,742?
  3. What is the place value of 6 in 4.65?
  4. Expand 82,304.
  5. Expand 15.27.
  6. Which is greater: 5.68 or 5.86?
  7. Arrange 3.25, 3.05 and 3.50 in ascending order.