Factors and multiples

Which choice lists all the factors for the number 24?

• 2, 3, 4, 6, 8, 12, 24
• 2, 3, 4, 6, 8, 12, 24, 36
• 1, 2, 3, 4, 6, 8, 12, 24
• 1, 2, 4, 5, 6, 8, 12 ,24

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

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

List the first 5 multiples of 8

• 1, 2, 4, 8
• 8, 16, 25, 32, 40
• 8, 16, 24, 32, 40
• 8, 16, 24, 31, 40

Tags

CCSS.3.OA.C.7

CCSS.3.OA.D.9

What are the next three multiples?6, 12, 18, ___ ,___ ,___

• 24, 30, 34
• 24, 36, 42
• 24, 30, 36
• 22, 28, 34

Tags

CCSS.4.OA.B.4

CCSS.4.OA.C.5

Which number is prime?

• 25
• 11
• 36
• 14

Tags

CCSS.4.OA.B.4

Which number is composite?

• 17
• 7
• 5
• 20

Tags

CCSS.4.OA.B.4

Which number is NOT a multiple of 3?

• 12
• 33
• 14
• 21

Tags

CCSS.4.OA.B.4

Which is true about ALL prime numbers.

• They are all even.
• They are all odd.
• They have exactly two factors.
• They do not have any factors.

Tags

CCSS.4.OA.B.4

Factors are always the same or smaller than the original number. True or False

• False
• True

Tags

CCSS.4.OA.B.4