Adding Decimals
Subtracting Decimals
Multiplying Decimals
Rounding
Word Problems
100

4.88+0.009 =

4.889

100

7-0.1234

6.8766

100

32xx0.4=

12.8

100

Round to the nearest whole number: 

4.15

4

100

For part of a recipe, Jada adds 0.35 milliliters of vanilla extract to 16.4 milliliters of milk. How many milliliters does the mixture contain?

The mixture contains  16.75  milliliters.

200

67+3.0048=

70.0048

200

6.5-1.49

5.01

200

5.23xx2.4=

12.552

200

Round to the nearest whole number: 

6.7

7

200

Four runners are training for long races. Noah ran 5.123 miles, Andre ran 6.23 miles, Jada ran 7.1 miles, and Diego ran 8 miles.

What is the total running distance of the four runners? 

The total distance is  26.453 miles.

300

21.6+8.25=

29.85

300

4.8-2.06

2.74

300

2.59xx4=

10.36

300

Round to the nearest whole tenth: 

8.29

8.3

300

Four runners are training for long races. Noah ran 5.123 miles, Andre ran 6.23 miles, Jada ran 7.1 miles, and Diego ran 8 miles.

Jada ran how much farther than Noah?

Jada ran  1.977 miles further than Noah.

400

52.9+9.65=

62.55

400

12-3.45=

8.55

400

5.9xx3.6=

21.24

400

Round to the nearest tenth: 

4.23

4.2

400

One way to compute a 20% discount is to multiply it by 0.20.    The price of a pair of sneakers is $84.50. Calculate the discount.

The discount is  $16.90. 

500

209.26+98.7

307.96

500

10.06-7.2=

2.86

500

7.39xx0.6

4.434

500

Round to the nearest hundredth: 

0.345

0.35

500

Kayla bought 3.4 pounds of strawberries at a price of $2.99 per pound. How much did she spend?

Kayla spent  $10.17. 

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