Math Chapter 9

A

100

3 times 50 

150

200

2 times 700

1,400

300

152 times 4 

608

B

100

5 times 60

300

200

26 times 4

104

300

Round to the nearest ten and multiply 

52 times 2

50 times 2 = 100

52 times 2 = 104

C

100

2 times 80

160

200

14 times 5

70

300

Round to the nearest hundred and solve. 

192 times 3

200 times 3= 600

192 times 6 = 576

D

100

4 times 70

280

200

27 times 3

81

300

A mailing envelope costs $1.39. Lily bought 1 envelope to mail a birthday present to her grandma and another one to mail a souvenir to her friend. She gave the cashier a 5-dollar bill. How much change did Lily receive? 

Lily received $2.22 in change. 

E

100

600 times 3

1,800

200

257 times 3

771

300

Ben bought 3 glow sticks for his camping trip. Each glow stick was $2.79. He bought a box of matches for $3.44. How much did Ben spend?

Ben spent $11.81.