Chapter 5: Factors and multiples

Which number is divisible by both 6 and 9?

• 60

• 90

• 84

• 76

If the rule is add 6 and the first term is 36 what is the fourth number in the pattern?

• 42

• 48

• 54

• 60

What are the common factors of 32, 16 and 12

• 1,2,3,4,8

• 1,2,4,8

• 1,2,4

• 1,3,4,6

Which numbers are divisible by both 5 and 9?

• 95

• 80

• 35

• 45

Which numbers are divisible by both 2 and 6?

• 84

• 99

• 46

• 81

Which number is prime?

• 42

• 87

• 92

• 31

Which number is composite

• 31

• 89

• 42

• 93

If the first term is 13 and the rule is add 8, subtract 4 what is the fifth term in the pattern?

• 13

• 21

• 29

• 25

If Joe has 15 tiles how many different arrays can he make?

• 1

• 2

• 3

• 4

Which numbers have a factor of 6

• 3, 6, 23, 31, 42

• 3, 4,12, 42, 48

• 2, 3

• 6, 12, 42, 48