Unit 6 Review

Which equation can be used to solve the problem? Patti sets up dominoes in rows of 30. If she uses a total of 720 dominoes, how many rows does she set up?

• 30 x 30 = r

• 720 x r = 30

• 30 x r = 720

• 720 x 30 = r

Solve. Which shows how you know your answer is reasonable? Max cuts a piece of ribbon that is 133 centimeters long into 7 equal pieces. How long is each piece of ribbon?

• 34 cm; My answer is reasonable because 150 ÷ 5 = 30.

• 19 cm; My answer is reasonable because 150 ÷ 5 = 30.

• 34 cm; My answer is reasonable because 140 ÷ 7 = 20.

• 19 cm; My answer is reasonable because 140 ÷ 7 = 20.

Tags

CCSS.4.MD.A.2

Eggs are collected on a farm and are arranged in 19 equal rows. There are 114 eggs. How many eggs are in each row?

• 6

• 7

• 95

• 133

Tags

CCSS.4.NBT.B.6

Kendrick tutored a total of 126 hours over the last 18 weeks. He tutored the same number of hours each week. How many hours did Kendrick tutor in one week?

• 144

• 108

• 70

• 7

Tags

CCSS.3.OA.A.3

Which is a word problem for the equation (7/8) - (3/8) = (21/8)?

• A skirt pattern calls for 3 yards of fabric. To make 3 skirts, (21/8) yards of fabric are needed.

• A skirt pattern calls for (3/8) yard of fabric. To make 3 skirts, (21/8) yards of fabric are needed.

• A skirt pattern calls for (7/8) yard of fabric. To make 3 skirts, (21/8) yards of fabric are needed.

• A skirt pattern calls for (21/8) yards of fabric. To make 3 skirts, (7/8) yard of fabric is needed.

Tags

CCSS.7.EE.B.3

Without solving, select the answer that is most reasonable. Maks and Len participated in an event to raise money for charity. Maks did jumping jacks for 25 minutes. Len did jumping jacks for 3/5 of the time Maks did. For how long did Len do jumping jacks?

• 15 minutes

• 25 minutes

• 75 minutes

• 125 minutes

Tags

CCSS.7.EE.B.3

Which is a word problem for the equation 1/5 - 2/10 = 1/10?

• As a snack, 1/2 of a pizza was shared equally by 5 friends. Each friend's share was 1/10 of a pizza.

• As a snack, 1/5 of a pizza was shared equally by 2 friends. Each friend's share was 1/10 of a pizza.

• As a snack, 1/10 of a pizza was shared equally by 2 friends. Each friend's share was 1/5 of a pizza.

• As a snack, 1/10 of a pizza was shared equally by 5 friends. Each friend's share was 1/2 of a pizza.

Tags

CCSS.7.NS.A.3

Sami makes 80 glasses of lemonade for her lemonade stand. It costs Sami $0.52 to make each glass of lemonade, and she sells each glass for $1.00. How much profit will Sami make on the 80 glasses?

• $25.40

• $33.60

• $38.40

• $41.60

Tags

CCSS.7.EE.B.3

Lizzy and Hiromi practice the piano every week. - Lizzy practices for 30 minutes on Tuesday and Friday and 45 minutes on Saturday. - Hiromi practices for 20 minutes on Monday and Thursday and 40 minutes on Friday and Sunday. How many more minutes does Hiromi practice the piano each week than Lizzy?

• 15

• 107

• 127

• 225

Tags

CCSS.3.OA.D.8

Angela’s guinea pig weighs 4.5 ounces more than her hamster. Her hamster weighs 10 ounces. Choose the equation that can be used to find the weight of Angela’s guinea pig (g).

• g = 10 - 4.5

• g = 10 + 4.5

• g = 10 × 4.5

• 10 = g + 4.5

• 10 = g × 4.5

Tags

CCSS.HSA.CED.A.3