Factors, multiples and primes

What is the product of 4 and 6?

• 46

• 24

• 48

Tags

CCSS.3.OA.C.7

Which is not a factor of 24?

• 2

• 3

• 4

• 5

Tags

CCSS.4.OA.B.4

The number 7 is prime.

• True

• False

Tags

CCSS.4.OA.B.4

The factors of 16 are 1, 2, 4, 8, 16

While the factors of 24 are 1, 2, 3, 4, 6, 8, 12, 24

What are the Common Factors?

• 1,2,3,4,5

• 1,2,4,6,8

• 12,3,4,6,8,12,16,24

Tags

CCSS.4.OA.B.4

Which number is a factor of 18, but not a multiple of 2?

• 36

• 9

• 8

• 24

Tags

CCSS.4.OA.B.4

Find the missing multiple.
10:  10, 20, 30, 40, ___, 60, 70, 80

• 100
• 45
• 50
• 55

Tags

CCSS.2.NBT.A.2

List the first five multiples of 8.

• 1, 2, 4, 8

• 8, 16, 25, 32, 40

• 8, 16, 24, 32, 40

• 8, 16, 24, 31, 40

Tags

CCSS.4.OA.B.4

Is 25 Prime or Composite?

• Prime
• Composite

Tags

CCSS.4.OA.B.4

Which number is NOT prime?

• 3
• 7
• 17
• 21

Tags

CCSS.4.OA.B.4

List the first 5 MULTIPLES of 3

• 3, 6 10, 15, 20
• 1, 3, 2, 6, 4
• 3, 6, 9, 12, 15
• 6, 9, 12, 15, 18

Tags

CCSS.4.OA.B.4

CCSS.4.OA.C.5