Add/Subtract Decimals
Multiply Decimals
Divide Decimals
Real World Problems
Rounding Decimals
100

34.2 + 12.7 = 

46.9

100

2.4 x 4

9.6

100

 2.4 divide 6 

0.4

100

Estimate the cost by rounding to the nearest dollar: $12.75 + $2.35

Show your actual and estimated cost to get full points! 

Actual: $12.75 + $2.35 = $15.1

Estimated: $13 + $2 = $15 

100

Round 4.52 to the nearest tenth. 

4.5

200

23.7 - 19.72

3.98

200

43.7 x 12

524.2

200

5.6 divide 8

0.7

200

Thomas has $14.36. His brother has $18.20. How much do they have in all? 

$32.56

200

Round 6.273 to the nearest hundredth. 

6.27

300

25 - 13.98

11.02

300

2.45 x 40

98

300

4.35 divide 30

0.145

300

A chef had 37.58 kilograms of flour. He used 28.96 kilograms of flour. How much flour did he have left?

8.62 kg 

300

Round 4.56 to the nearest whole. 

5

400

Find the missing digit: 6._ - 4.02 = 2.78

8

400

0.06 x 20

1.2

400

2.87 divide 60 (Round to nearest hundredth)

0.05

400

5 water bottles cost $24.75. Cole wants to buy 7 similar water bottles. He has $40. Does Cole have enough money to buy 7 water bottles? 

Yes. He has enough money because each water bottle costs $4.95, so 7 water bottles cost $34.65. 

400

Round 0.932 to the nearest whole. 

1

500

4 - 2.999

1.001

500

.015 x 200

3

500

456 divide 60

0.76

500

Mrs. Fink buys 6 boxes of clay for a math project. Each box contains 16 grams of clay. The clay is shared equally among the 20 students in the class. How many grams of clay will each student receive? 

4.8 grams of clay

500

Round 5.98 to the nearest tenth. 

6.0

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