Quiz Review

Adding Decimals

100

1.32 + 0.05

1.37

200

14.1 + 6.07

20.17

300

.0001 + .01

.01001

400

$1945.17 + 13,100.50

$15,045.67

500

1,000,000,000 + 1.01

1,000,000,001.01

Subtracting Decimals

100

1.6 - 1.4

0.2

200

21.9 - 2

19.9

300

131 - 0.5

130.5

400

91 - 0.99

90.01

500

1,390.01 - 488.90

901.11

Multiplying Decimals

100

1.1 x 9.9

10.89

200

0.12 x 9

1.08

300

99.99 x 0.11

10.9989

400

0.001 x 0.008

.000008

500

65.4 x 3.21

209.934

Dividing Decimals

100

41 ÷ 5 (write remainder as a decimal)

8.2

200

61.1 ÷ 3 (round remainder to the nearest hundredth)

20.37

300

14.1 ÷ 0.3

47

400

14.55 ÷ 0.22 (round to the nearest hundredth)

66.14

500

22.222 ÷ 0.22 (round to nearest hundredth)

101.01

Word Problems

100

If have $2.50 and I buy a candy bar for $1.50, how much will I have left over?

$1.00

200

At In N' Out, I get 2 things of french fries for $1.50 each and a hamburger for $8.75. How much did I spend altogether?

$11.75

300

If get 27 hot dogs and each one costs $1.75, how much will it cost?

$47.25

400

I want to split a $156.50 check equally between myself and 4 friends. How much do we each owe?

$31.30

500

If a bill comes out to $129 and I tip 20 percent, how much will the total bill cost? 

$154.80