Unit 4 Review

Multiplication

100

55x3

165

200

400x6

2400

300

500x12

6,000

400

320x14

4,480

500

411x23

9,453

Division

100

32/8

4

200

400/10

40

300

3600/90

40

400

3,690/90

41

500

1,564/34

46

Volume/Area

400

The area of a rectangular playground is 2,688 square feet. The length is 64 feet. What is the width? 

42 feet

500

a. The area of the base of a box is 250 square centimeters. The width is 25 centimeters. What is the length? 

b. The height is 14 centimeters. What is the volume of the box? 

a. 10 cm. 

b. 3,500 cubic centimeters. 

Other

100

Write this equation as a division equation: 5x4=20

20/4= 5 OR 20/5= 4

200

Write this equation as a division equation: 626x4= 2,504

2,504/626= 4 OR 2,504/4= 626

300

Write this equation as a multiplication equation: 8,200/100= 82

82x100= 8,200 OR 100x82= 8,200

400

Which answer is closest to the value of the expression 6,243/6?

a. 10,000

b. 1,000

c. 100

b. 1,000 because 6x1,000= 6,000 which is close to 6,243.

500

Which value is closest to the expression: 5,989/3? 

a. 2

b. 20,000

c. 2,000

c. 2,000 because 3x2,000 is 6,000 which is the closest to 5,989.