Page 33 - 新思维数学活动用书6 样章

2 Numbers and sequences

7 Here is a Venn diagram for sorting numbers.
Write each number in the correct place on the diagram.

8 9 10 11 12

Multiples of 2

Multiples of 4

8 Look at this set of numbers.
13 18 21 36 45

a Which two numbers are factors of 90?

,

b Which two numbers are multiples of 6 and 9?

,

Challenge

9 Write these numbers in the correct place on the Venn diagram.

1 2 3 4 5 6 7 8 9

Factors of Factors of
30 24

32