Numbers and Operations Review

Precipitation for the month of March was 4 3/4 inches less than average. In April the precipitation was 1 1/2 inches less than average. How many inches below average was the precipitation for both March and April?

• 6 1/4

• 7 1/4

• 5 1/4

• 3 1/4

Solve.

-11.0 - 3.5

• 14.5

• -14.5

• -7.5

Tags

CCSS.7.NS.A.1C

A container of an unknown smelly liquid in CJH's hallway is evaporating at 1.6 inches a week. How many weeks will it take for the unknown smelly liquid in the hallway to evaporate 24 inches?

• 15 wks

• 12 wks

• 8 wks

• 18 wks

Tags

CCSS.6.EE.B.7

Mrs. Schwartz needs 8 1/4 feet of Ugandan purple-legged dessert floor spider web for a project. She already has two small pieces the measure 2 1/8 feet and 3 3/4 feet. How many feet of Ugandan purple-legged dessert floor spider web does Mrs.Schwartz need?

• 3 5/8

• 2 3/4

• 3 3/8

• 2 3/8

Solve.

-6.3 * 5

• 31.5

• -31.5

• -315

• 315

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Mrs. Schwartz is purchasing 2.8 pounds feathers (for whatever reason) that costs $2.55 per pound. How much change will she receive if she give the cashier $10.00?

• $2.86

• $7.45

• $12.55

• $7.14

Tags

CCSS.7.NS.A.3

Mrs. Schwartz has decided to risk her life by skydiving. She took 10 seconds to drop 500 feet. What is the rate of descent of Mrs.Schwartz?

• -5000 ft per second

• 50 ft per second

• -50 ft per second

• 5000 ft per second

Solve.

5/8 ÷ 3/4

• 20/32

• 5/6

• 15/32

• None of the above

Solve. 7/8 ÷ -1/6

• -5 1/4

• -8/36

• -7/48

Tags

CCSS.7.NS.A.2B

If the record low temperature in Mrs. Schwartz' classroom is -35 degrees F. The record high is 114 degrees F. What is the difference in the record high and the record low temperatures?

• 149

• 184

• 179

• 134

Tags

CCSS.7.NS.A.1C