Unit 3 Review

How can 7 x 3 = 21 be represented as a verbal statement?

• 7 times as many as 21 is 3

• 3 times as many as 21 is 7

• 21 is 7 times as many as 3

• 21 is 7 times as many as 21

Sarah is 4 years old. Her cousin Ashley is 6 times her age. Which expression represents Ashley's age?

• 6 divided by 4

• 6 + 4

• 4 x 6

• 6 - 4

Jake went to the store and bought a new book for $21 and a new DVD for $3. The solution to which equation shows HOW MANY MORE TIMES the book cost than the DVD?

• 21 divided by 3

• 21 x 3

What are the first 5 multiples of 6?

• 1, 2, 3, 6

• 6, 12, 18, 24, 30

• 18, 25, 36, 42, 60

• 12, 24, 48, 56, 64

Which number is prime?

• 15

• 10

• 17

• 12

Which number is composite?

• 1

• 16

• 11

• 17

Which set of numbers is a factor pair of 36

• 5 and 7

• 12 and 2

• 1 and 25

• 2 and 18

Molly has 5 tables with 8 chairs at each table. How many chairs does Molly have?

• 40

• 35

• 45

• 42

There are 426 students at New Albany Elementary. If each student has 2 pencils, how many pencils are there?

• 848

• 818

• 850

• 852

Karly has 25 crayons. She can fill 5 crayons into each of her boxes. How many crayon boxes can Karly completely fill?

• 5

• 6

• 4

• 2