Factors and multiples
A diagram can help us find the factors of a number. 1 30
2 3
15 10
30
5
6
Draw a diagram to show the factors of 20.
1 Letisha writes down the factors of 12. Jade writes down the factors of 18 .
Factors of 12: 1, 2, 3, 4, 6, 12
Factors of 18: 1, 2, 3, 6, 9, 18
They notice that there are some numbers that are factors of both numbers. These are called common factors.
Factors of 12: 1, 2, 3, 4, 6, 12
Factors of 18: 1, 2, 3, 6, 9, 18
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28/04/2022 12:11
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