Unit 2 Review

Which of these of these numbers are COMPOSITE?
3, 6, 23, 24

• All of them
• None of them
• 3 and 23
• 6 and 24

Tags

CCSS.4.OA.B.4

Is the number 14 prime or composite?

• Prime
• Composite

Tags

CCSS.4.OA.B.4

Pick which one shows the first five MULTIPLES of 6

• 1, 6, 12, 16, 20
• 6, 12, 18, 24, 30

Tags

CCSS.4.OA.B.4

Pick which one shows the first five MULTIPLES of 8

• 8, 12, 18, 24, 32
• 8, 16, 24, 32, 40

Tags

CCSS.4.OA.B.4

Prime numbers have:

• Exactly 2 factors
• 2 pairs of factors
• More than 2 factors
• 1 factor

Tags

CCSS.4.OA.B.4

Which number is composite?

• 11
• 13
• 21
• 23

Tags

CCSS.4.OA.B.4

Which number is a factor of 16

• 7
• 6
• 9
• 4

Tags

CCSS.4.OA.B.4

3 x 30 = _____

• 30
• 60
• 90
• 900

Tags

CCSS.3.NBT.A.3

5 x 500 = _____

• 25
• 250
• 2,500
• 25,000

Tags

CCSS.4.NBT.B.5

Which statement shows 21 = 7 x  3

• 7 is 3 times as many as 21
• 3 is 7 times as many as 21
• 21 is 7 times as many as 3
• 21 is 7 times as many as 7 

Tags

CCSS.4.OA.A.1