Decimals & the 4 Operations

Add Decimals w/Regrouping

100

    71.9 

+ 39.2

___________

111.1

200

Find the sum

7 and 6.35 

13.35

300

Find the sum 

1.38 and 2.05 

3.43

400

Find the sum 

54.72 and 6.08 

60.80 or 60.8 

500

     6.34

+  7.66

__________

14.00 or 14 

Subtract Decimals w/Regrouping

100

    4.00 

-   2.87 

________

1.13 

200

Find the difference 

0.8 and 0.09 

0.71 

300

Find the difference 

40.3 - 8.9 

31.4 

400

Find the difference 

12 and 5.76 

6.24 

500

   20.01 

-    1.23 

__________ 

 18.78

Multiply Decimal Numbers

100

   20.21

  X     4

________

80.84

200

Find the product 

13.08 and 6 

78.48

300

Find the product 

5.8 and 7 

40.6 

400

find the product 

11.82 X 3 

35.46 

500

Find the product 

63.58 and 9 

572.22 

Multiply Decimals by 10,100, 1000 & powers of 10

100

Find the product 

1.6 x 500 

800 

200

Find the product 

2.36 and 700 

1,652

300

8.7 X 2,000 

17,400 

400

3.09 x 10 cubed 

3090 

500

0.421 x 10 squared 

42.1

Dividing Decimals

100

Find the quotient 

0.08 divided by 4

0.02 

200

 Find the quotient and round to a tenth 

9.87 divided by 4

2.4 

300

Find the quotient and round to the tenth place 

6.17 divided by 2 

3.1 

400

Divide and round to 2 decimal places 

7.55 divided by 6 

1.26 

500

Divide and round to 2 decimal places 

19.03 divided by 5

3.81