Decimal Review

Addition

100

18.5 + 201.6

220.1

200

13.72 + 56.28

70

300

274 + 95.12

369.12

400

498.136 + 643.5

1,141.636

500

1,345.206 + 58.049

1,403.255

Subtraction

100

7.5 - 2.4

5.1

200

54.83 - 18.47

36.36

300

302.764 - 188.329

114.435

400

4,207.501 - 2,906.812

1,300.689

500

9,000 - 8,759.746

240.254

Multiplication

100

2.5 x 0.4

1

200

6.2 x 1.5

9.3

300

12.34 x 3.2

39.488

400

24.56 x 1.83

44.9448

500

58.27 x 12.06

702.7362

Division

100

6.4 divided by 2

3.2

200

12.5 divided by 0.5

25

300

7,245 divided by 36

201.25

400

325 divided by 0.25

1,300

500

7.2 divided by 0.06

120

Mixed Review

100

A swimmer completed 125.75 meters in the morning and 248.36 meters in the afternoon. How many meters did the swimmer complete in total?

374.11 meters

200

One pack of paper costs $4.75. If a teacher buys 12 packs, how much does she spend?

$57.00

300

A car's gas tank holds 15.5 gallons. If the driver has already used 8.276 gallons, how many gallons are left in the tank?

7.224 gallons

400

A baker has 52.5 pounds of flour and wants to divide in into bags of 2.5 pounds each. How many full bags can she make?

21 bags

500

A runner jogs 3.25 miles each day for one week. If he wanted to reach 30 miles, how many more miles does he need to run? 

7.25 miles