PreAlgebra Review #4

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

Which number is prime?

• 9
• 5
• 15
• 1

Is 35 prime or composite?

• prime
• composite

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

Find the LCM of 5 & 12.

• 36
• 108
• 40
• 60

Find the GCF of this pair of numbers: 42, 63

• 7
• 9
• 14
• 21

Which set of numbers lists multiples of 13?

• 26, 38, 49, 59
• 13, 26, 40, 52
• 26, 39, 52, 65
• 13, 26, 53, 62

List the first 5 multiples of 20.

• 20, 40, 80, 100, 120
• 40, 60, 80, 100, 120
• 20, 60, 100, 140, 180
• 20, 40, 60, 80, 100