Decimals

Adding Decimals

100

1.7+6.3?

8.0

200

4.26+7.89?

12.15

300

Issac has $19.55 in his wallet. His brother gave him 7.12 more. How much money does Issac have? 

26.67

400

-4.7+2.35?

-2.35

500

5.6+(-2.09)?

3.51

Subtracting Decimals

100

7.9-1.5?

6.4

200

3.31-1.5?

1.81

300

The length of a ribbon is 97.2 inches. Lily uses 73.85 inches to wrap her Christmas presents. How much ribbon remains? 

23.45

400

-4.8-(-2.3)?

-2.5

500

3.6-(-1.75)? 

5.35

Multiplying Decimals

100

0.1x4.3?

0.43

200

9.3x-5?

-46.5

300

-5.3x-7.3?

38.69

400

Liam bought 3.45 pounds of apples at $2.3 per pound. How much did he pay for the apples? 

$7.935

500

-6.02x1.3?

-7.826

Dividing Decimals

100

5.73/-1=

-5.73

200

1.7/0.1?

17

300

Jessie went to the candy shop and bought 22.8 pounds of candies. She divided the candies equally and packed them into boxes. If each box of candies weighed 3.8 pounds. How many boxes did Jessie use to pack the candies? 

0.16 continued.

400

-3.6/1.2?

-3

500

-9.45/-0.3?

315

Rounding

100

Round 8.35798 to the nearest ten thousandth. 

8.358

200

Round 6.02 to the nearest tenth. 

6.0

300

Round 3.549 to the nearest hundredth. 

3.55

400

Round 4.329 to the nearest thousandth.

4.329

500

Round 2.3478 to the nearest thousandth. 

2.348