Adding and Subtracting Whole Numbers/Decimals

Hannah drew straight lines on her driveway with chalk. The table shows the lengths of the lines. What is the difference in meters between the length of Line S and the length of Line P?

• 7.57 m

• 5.95 m

• 3.70 m

• 6.15 m

Sandy purchased two patio chairs that cost $57.65 each and a table that cost 146.22. What is the total cost of these items?

• $203.87

• $350.09

• $140.42

• $261.52

Kristine has a $10 bill to spend at a book fair. She buys one book for $4.95, two

bookmarks for $0.65 each, and a key chain for $1.85.

How much change should Kristine receive from her $10 bill?

• $2.55

• $2.10

• $3.45

• $1.90

Which of these is the best estimate of the number of cartons of milk the cafeteria sold last week?

• 400

• 1,800

• 2,000

• 2,500

It took Ian three years to collect 25,413 aluminum cans to recycle. In the first year he collected 8,917 cans, and in the second year he collected 7,639 cans. Which equation can be used to find x, the number of cans Ian collected in the third year?

• x = 25,413 - 8,917 - 7,639

• x = 25,413 + 8,917 + 7,639

• x = 8,917 + 7,639

• x = 8,917 - 7,639

A factory makes 400 refrigerators every day. The factory makes 125 more stoves per day than refrigerators. Which equation can be used to find x, the total number of refrigerators and stoves the factory makes in one day?

• x = 400 + 400 + 125

• x = 400 + 125

• x = 400 + 400 125

• x = 400 125

The list shows the number of trees Isaiah planted in three years.

-He planted 521 trees in the first year.

-He planted 387 trees in the second year.

-He planted 438 trees in the third year.

Isaiah wants to plant a total of 2,000 trees. How many more trees does Isaiah need to plant?

• 654

• 1,346

• 874

• 764

Jana bought 1 hat and 2 skirts. The hat cost $28.53, and the skirts cost $15.88 each. What was the total cost in dollars and cents of the items Jana bought? Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place value.

• $60.29

• $59.29

• $58.29

• $57.29

The locations and lengths of three of the longest tunnels in the world are

listed.

-Gotthard Base Tunnel in Switzerland, 57.07 km

-Seikan Tunnel in Japan, 53.85 km

-Channel Tunnel between England and France, 50.45 km

What is the difference between the length of the Channel Tunnel and the length of the Gotthard Base Tunnel in kilometers?

• A. 3.22 km

• B. 7.62 km

• C. 6.62 km

• D. 7.42 km

Madeline has 4 rolls of tape. Each roll contains 63 inches of tape. Madeline used 42 inches of tape for a project. Which diagram shows a way to find n, the number of inches of tape that Madeline has left?

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