Adding/Subtracting
Multiplying
Dividing
Rounding/Estimating
Word Problems
100

3.2+5.7

8.9

100

2.9x6

17.4

100

8.2 ÷  2

4.1

100

Round to the nearest tenth:

2.67

2.7

100

A bucket contained 2.75 liters of water. A pail contained 1.26 liters more water than the bucket. How much water did both buckets contain in all?

2.75 + 1.26 = 4.01

200

18.9-6.4

12.5

200

6.07x4

24.28

200

6.36 ÷  3

2.12

200

Round to the nearest hundredth:

5.791

5.79

200

Sara had $8.50. She spent $3.75 on a book. How much did she have left?

$8.50-$3.75= $4.75

300

14.2+14.02

28.22

300

10x5.96

59.6

300

5 ÷ 4

1.25

300

Divide 13 by 4. Round your answer to the nearest tenth

3.3

300

The length of a hose was 12.48 meters. David cut the hose equally into 6 pieces. How long was each piece?

12.48 ÷ 6=2.08 meters

400

26.35-13.98

12.37

400

70.5x30

2,115

400

7.5 ÷  100

0.075

400

Calculate, then estimate to check that the answer is reasonable 

$12.42+$12.64

$25.06

Estimation:

12+13= 25 (answer is reasonable)

400

Annabel bought 5 books at $4.75 each. She gave the cashier $30. How much change did she have left over?

4.75 x 5 = $23.75

$30-23.75 = $6.25

She had $6.25 left 

500

194.013+ 129.909

323.922

500

2.06x 400

824

500

25.26 ÷  30

0.842

500

Solve 11.68 ÷ 4

Then, estimate to check the answer is reasonable 


2.92

Estimation: 12 ÷ 4= 3

Answer is reasonable 

500

A bag of peas weighs 1.2 kilograms. A bag of kidney beans weighs 0.85 kilograms. How much does 4 bags of peas and 1 bag of kidney beans weigh altogether?

1.2 x 4 = 4.8

4.8+0.85= 5.65

The beans weigh 5.65 kilograms

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