Decimals

Addition

100

6.3 + 1.2

7.5

200

67.23 + 2.34

69.57

300

31 + 0.165 + 2.63

33.796

400

-7.2 + (-3.27)

-10.47

500

17.34 more than 15

32.35

Subtraction

100

8.2 - 5.0

3.2

200

23.21 - 43.12

-19.91

300

78.23 - 68.52 - 2.41

7.3

400

-17.35 - (- 8.231)

-9.119

500

15.32 less than 22 

6.68

Multiplication

100

0.49(7) 

3.53

200

3.7(0.5)

1.85

300

(3.2)(0.2)(0.5)

0.32

400

(8.34)(2.1)(3.2)

56.0448

500

the product of 7.95 and 8.42

66.939

Dividing

100

54 divided by 0.09

600

200

92 divided by 2.3

40

300

8.26 divided by 3.5 (Round to the nearest tenth.)

2.4

400

23.601 divided by.03

786.7

500

The quotient of 56.2 and 4 (Round to the nearest tenth).

14.1

Word Problems

100

Find the total length of the pipe that was cut into 2 pieces. One pipe is 1.75 ft. The other pipe is 0.875 ft. 

2.625 ft

200

How much longer is the length (4.8ft) than the width (2.35)?

2.45 ft

300

Find the area of the rectangle with the width of 2.35ft and a length of 4.8 ft.

11.28 ft²

400

Zac worked 24 hours last week. If he makes $9.85 an hour, how much did he earn?

$236.40 per hour

500

Dylan scored 357 points in 24 basketball games. What is his average points per game? Round to the nearest tenth. 

14.8 points per game.