Decimals

Addition

100

0.95 + 5.09

6.04

200

11.27 + 9.45

20.72

300

9.68 + 0.189

9.869

400

.239 + 1.36

1.599

500

8.324 + 2.4512

10.7752

Subtraction

100

5.68 - 4.23

1.45

200

67.75 - 8.1

59.65

300

43.032 - 6.91

36.122

400

12.12 - 4.995

7.125

500

62.9511 - 35.256

27.6951

Multiplication

100

8.2 x 6.5

53.3

200

4.22 x 8.1

34.182

300

3.70 x 0.8

2.96

400

0.07 x 0.42

0.0294

500

.233 x 6.7

1.5611

Division

100

2.6➗ 8 =

0.325

200

76.5 ➗ 25

3.06

300

95 ➗ 0.01

9,500

400

498 ➗ 8.3 =

60

500

29 ➗ 1.7

17.06

Random

100

A cup of rice weighs 0.18 kg. What is the weight of 0.2 cup of rice in kilograms?

0.18 x 0.1 = 0.018 kg 

200

Jasmine has $8.40. Maria has 3.5 times as much money as Jasmine. How much money do they have altogether?

$8.40 x 3.5 = $29.40

$29.40 + 8.40 = $37.80 altogether

300

30.5 lb of sugar are put equally into 12 bags. About how many pounds of coffee are in each bag? 

Express your answer correct to 2 decimal places.

30.5 ➗ 12 = 2.54 lb of sugar

400

A dog weighs 12.8 kg. A cat weighs 3.57 kg.

1. How much do they weigh altogether?

2. How much more does the dog weigh than the cat?

1. 12.8 + 3.57 = 16.37 kg

2. 12.8 - 3.57 = 9.23 kg

500

If 0.9 lb of scallops cost $19, what does 1 lb of scallops cost?

$19 ➗ 0.9 = $21.11