numeracy revision

Which number is a factor of 10

• 3
• 4
• 5
• 8

Tags

CCSS.4.OA.B.4

Which are the factors of 24?

• 1, 2, 3, 8, 12, 24
• 2, 3, 4, 6, 8, 12
• 1, 2, 3, 4, 6, 8, 12, 24

Tags

CCSS.4.OA.B.4

Which are the factors of 32?

• 1, 2, 4, 8, 16, 32
• 1, 32, 4, 8
• 1, 16, 2, 32

Tags

CCSS.4.OA.B.4

Which number has 2 and 3 as a factor?

• 14
• 16
• 18
• 20

Tags

CCSS.4.OA.B.4

A prime number is...

• a number that has only one factor.
• a number that has at least two factors.
• a number that has more than two factors.
• a number that has only two factors.
  (1 and itself)

Tags

CCSS.4.OA.B.4

Find the HCF of 12 and 15 ?

• 2
• 2 x 3
• 3
• 60

Find the HCF of 12 and 16...

• 2

• 4

• 6

• 8

Which list of numbers contains only common multiples of 2 and 7?

• 14, 28, 35, 42

• 14, 28, 42, 70

• 7, 14, 28, 42

• 2, 4, 6, 8

Which number is not a multiple of 10?

• 20

• 35

• 40

• 50

Tags

CCSS.4.OA.B.4

Select all of the multiples of 8.

• 2

• 8

• 32

• 4

Tags

CCSS.4.OA.B.4