Math Unit 3 Review

Find the product of 670 x 13

• 8,710

• 8,610

• 7,810

• 871

Natalia bought a 330 sq. in. poster. The length of the poster is 22 inches. What is the width, w, of the poster?

• 14 R2

• 14

• 15

• 7,260

Using strategies based on place value or models, solve the problem shown.

• 41

• 42

• 42 R2

• 24

Which product is shown by the area model?

• 248 x 80 = 19,840

• 248 x 81 = 20,088

• 240 x 80 = 19,200

• 240 x 81 = 20,088

Which expression has a total value of 36?

• 3 x 10 + 2

• 2 + 2 x 9

• 3 x (10 + 2)

• 2 x (2+9)

Which situation can be represented by the numerical expression?

6 x 3 + 2

• Jalencia bought 6 hats that each cost 3 dollars and a pair of sunglasses that cost 2 dollars.

• Maria bought 6 hats and 2 pairs of sunglasses that each cost 3 dollars.

• Heather bought a hat that costs 6 dollars and 3 pairs of sunglasses that each cost 2 dollars.

• Jackie bought 3 hats and 2 pairs of sunglasses that each cost 6 dollars.

Kamila makes snack bags using popcorn and chocolate. For each snack bag, she mixes 5 ounces of popcorn with 3 ounces of chocolate. She makes 6 snack bags. Write an expression that can be used to find out how many ounces of popcorn and chocolate Kamila used altogether.

• 5 + 3 + 6

• 5 x 3 x 6

• (5 + 3) x 6

• 5 + 3 x 6

In its frame, a rectangular painting measures 84 centimeters long and 56 centimeters wide. How much wall space does the painting cover? Explain the strategy you used to find your answer.

• 4,704

• 4,740

• 4,730

• 4,750

7. A taxi service charges $57 for a ride from the suburbs to an airport. During one week, the company had 38 fares. How much money did the taxi company earn?

• $627

• $1,556

• $2,166

• $2,400

Write an expression that represents the problem

subtract 7 and 1, then divide by 3

• 7 - 1 ÷ 3

• 3 ÷ (7-1)

• (7-1) ÷ 3

• 7 - (1 ÷ 3)