Math Rocks Factors and Multiples

1, 3, 5, 15

• Multiples of 15

• Factors of 15

• Factors of 5

• Multiples of 3

Tags

CCSS.4.OA.B.4

Factors of 2

• 1, 2

• 2, 4, 6, 8, 10

• 24, 6, 10, 24, 36

• 1

Tags

CCSS.4.OA.B.4

Which of these is not a factor of 12?

• 1

• 2

• 12

• 24

Tags

CCSS.4.OA.B.4

Which of these is not a multiple of 8?

• 8

• 16

• 4

• 24

Tags

CCSS.4.OA.B.4

What number is a factor of 6 but NOT a multiple of 2?

• 3

• 4

• 6

• 8

Tags

CCSS.4.OA.B.4

Composite numbers:

• Are always bigger than prime numbers

• Have more than 2 factors

• Have 2 pairs of factors

• Don't have factors

Tags

CCSS.4.OA.B.4

Which number is composite

• 11
  11

• 13

• 21

• 23

Tags

CCSS.4.OA.B.4

Find ALL FACTORS of 24

• 1, 2, 12, 24

• 1, 2, 8, 24

• 1, 2, 3, 4, 5, 6, 8, 12, 24

• 1, 2, 3, 4, 6, 8, 12, 24

Tags

CCSS.4.OA.B.4

Which are factors of 20?

• 2,10,5,4,1,20

• 3,5,7,9

• 40,80,100

• 15,25,35

Tags

CCSS.4.OA.B.4

what are factors of 42?

• 1,42,2,21,7,6

• 2,24

• 48,2

• 3,4,7,8

Tags

CCSS.4.OA.B.4