STANDARDIZED TEST: FACTORS AND MULTIPLES

Which expression is not equivalent to the sum 36 + 54?

• 18(2 + 3)

• 4(9 + 6)

• 3(12 + 18)

• 2(18 + 27)

Tags

CCSS.7.NS.A.1D

What are the common multiples of 3 and 5 between 1 and 50?

• 3, 15, 30, and 45

• 3, 5, 15, and 45

• 5, 15, and 30

• 15, 30, and 45

Which pair of numbers is relatively prime?

• 15 and 25

• 29 and 58

• 40 and 63

• 54 and 99

What is the prime factorization of 78?

• 3 · 26

• 5 · 16

• 2 · 3 · 13

• 2 · 2 · 2 · 2 · 5

What is the least common multiple of 8, 12, and 4?

• 4

• 16

• 24

• 48

Jennifer is making goblins and elves on a video game. It takes 6 rounds to make a goblin and 8 rounds to make an elf. If she completes a goblin and an elf at the same time, after how many rounds will she complete another goblin and elf at the same time?

• 2 rounds

• 8 rounds

• 16 rounds

• 24 rounds

What is the greatest common factor of 44 and 92?

• 2

• 4

• 22

• 1012

Lloyd is making bouquets of flowers. He has 25 roses, 45 tulips, and 15 snapdragons. He divides the flowers equally to make as many bouquets as possible. He uses up all the flowers. What number of snapdragons are in each bouquet?

• 3

• 5

• 9

• 15

Which expression is equivalent to 4(7 + 9)?

• 11 + 13

• 28 + 36

• 7(4 + 9)

• 9(4 + 7)

Tags

CCSS.7.NS.A.1D

The area model shows the multiplication 17 · 15. Which expression shows the correct product?

• 100 + 70 + 50 + 35

• 100 · 70 · 50 · 35

• 100 + 70 · 50 + 35

• 100 · 70 + 50 · 35

Tags

CCSS.4.NBT.B.5