Starter quiz
- A numerical ______ is an integer which exactly divides another integer.
- 'factor' ✓
- Which of the following is a multiple of 7 ?
- 20
- 21 ✓
- 22
- 24
- 25
-
- How many multiples of 5 are there?
- 1
- 10
- 100
- infinite ✓
-
- A __________ number is the product of two repeated integers.
- cube
- product
- prime
- sum
- square ✓
-
- Which of the following is a factor of 36?
- 8
- 12 ✓
- 72
- 108
-
- Work out the unknown number: "I am less than 100. I am a cube number. I am a factor of 24. I am even." ______
- '8' ✓
Exit quiz
- __________ and __________ are inverse concepts.
- Factors and multiples ✓
- Squares and cubes
- Decimals and fractions
-
- Given the calculation , select the correct statement:
- 40 is a factor of 8 and 5
- 40 is a square number
- 8 and 5 are multiples of 40
- 8 and 5 are factors of 40 ✓
-
- What number is a factor of every integer except zero? ______
- '1' ✓
- List all the factors of 5. Use the multiplication grid to help you.
- 5, 10, 15, 20, 25, 30, 35, 40
- 1, 5 ✓
- 1, 2, 4, 8
- Not possible as there are infinite number of factors of 5
-
- List all the multiples of 8. Use the multiplication grid to help you.
- 1, 2, 4, 8
- 8, 16, 24, 32, 40, 48, 48, 56, 64
- Not possible as there are an infinite number of multiples of 8 ✓
-
- Identify if the statement is sometimes true, always true or never true. "A multiple of a number is bigger than its highest factor."
- Sometimes ✓
- Always
- Never
-
Worksheet
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Presentation
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Lesson Details
Key learning points
- Multiplication tables can be used to find multiples of a number.
- Multiplication tables can be used to find factor pairs of a number.
- Multiplication tables can be used to identify multiples of a number.
- Multiplication tables can be used to identify factors of a number.
Common misconception
All factors of all integers will appear in a 12 by 12 times table grid.
It is not possible to identify all factors of 24 using a 12 by 12 times table grid.
Keywords
Multiple - A multiple is the product of a number and an integer.
Numerical factor - A numerical factor is a factor that is an integer.
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