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PRIMARY 5: MATHEMATICS – FIRST TERM | WEEK 2

Updated January 12, 2026First Term, Mathematics, Primary 5

TOPIC: PLACE VALUE OF WHOLE NUMBERS AND DECIMALS

A: TEACHING AND LEARNING MATERIALS

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

B: REFERENCE MATERIALS

  1. Scheme of work.
  2. Recommended Mathematics textbook for Primary 5.
  3. Online educational resources.

C: PREVIOUS KNOWLEDGE

The pupils can read and write large whole numbers and identify basic place values such as units, tens, hundreds and thousands.

D: PERFORMANCE OBJECTIVES

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

  1. Explain place value.
  2. State the place value of digits in large numbers.
  3. Write whole numbers in expanded form.
  4. Identify tenths, hundredths and thousandths.
  5. State the place value of digits in decimal numbers.

E: CONTENT

Meaning of Place Value

Place value is the value of a digit because of its position in a number.
Example:
In 458,326:

  • 4 = 400,000
  • 5 = 50,000
  • 8 = 8,000
  • 3 = 300
  • 2 = 20
  • 6 = 6

Place-Value Chart

Hundred Thousands Ten Thousands Thousands Hundreds Tens Units
4 5 8 3 2 6

Expanded Form

458,326 can be written as:

400,000 + 50,000 + 8,000 + 300 + 20 + 6

Decimal Place Values

A decimal point separates whole numbers from decimal parts.
Example:

4.375

  • 3 = tenths
  • 7 = hundredths
  • 5 = thousandths

📌 0.1 = one tenth
📌 0.01 = one hundredth
📌 0.001 = one thousandth

F: LESSON PRESENTATION

F1: Teachers’ Activities

  1. Revises units, tens and hundreds.
  2. Draws a place-value chart.
  3. Places large numbers on the chart.
  4. Explains expanded form.
  5. Introduces decimal place values.
  6. Gives examples for pupils to practise.

F2: Pupils’ Activities

  1. Identify the position of digits.
  2. State the place value of given digits.
  3. Write numbers in expanded form.
  4. Read decimal numbers.
  5. Identify tenths, hundredths and thousandths.
  6. Solve practice exercises.

G: CONCLUSION

The teacher revises the meaning of place value and reminds pupils that the position of a digit determines its value.

H: EVALUATION GUIDE

Pupils should be able to answer the following questions:

  1. What is place value?
  2. What is the value of 5 in 352,418?
  3. Write 426,305 in expanded form.
  4. What is the place value of 7 in 4.72?
  5. What is the place value of 5 in 2.365?
  6. Write 300,000 + 20,000 + 4,000 + 500 + 6 in figures.
  7. Which digit is in the hundredths place in 5.482?