Operations with Decimals

Adding Decimals

200

Add these decimals: 21.74 + 8.27

30.01

400

Add these decimals: 5.2 + 3.11

8.31

600

Add these decimals: 6.125 + 18.4729

24.5979

800

Add these decimals: 17 + 9.54

26.54

1000

Add these decimals: 4.67 + 29.1

33.77

Subtracting Decimals

200

Subtract these decimals: 851.701 - 312.49

539.211

400

Subtract these decimals: 10.71 - 0.7

10.01

600

Subtract these decimals: 547.612 - 3.107

544.505

800

Subtract these decimals: 9.034 - 0.095

8.939

1000

Subtract these decimals: 1.72 - 0.8

0.92

Multiplying Decimals

200

Multiply these decimals: 0.2 * 7

1.4

400

Multiply 4.4 * 5.3 =

23.32

600

Multiply these decimals: 0.8 * 0.3

0.24

800

Multiply these decimals.  12.7 * 26 =

330.2

1000

Multiply these decimals. 0.25 * 0.7

0.175

DividingDecimals

200

Divide these decimals: 0.9 ÷ 3 

0.3

400

Divide these decimals: 60.5 ÷ 5

12.1

600

Divide these decimals: 1.26 ÷ 0.6

2.1

800

Divide these decimals: 2.12 ÷ 0.02 

106

1000

Divide these decimals: 3.70 ÷  0.5

7.4

Multiplying/Dividing by Base 10

200

12.1 x 100

1,210

400

9,563 x 10 =

95,630

600

52.1 / 1,000 =

.00521

800

32.1 / 100

.321

1000

59.8 x 1,000 =

59,800

Random

200

What is the largest human organ?

The skin

400

Who is Superman's arch enemy?

Lex Luthor

600

Which sport has sand traps, putting greens and flags?

golf

800

Where can you see stalactites and stalagmites?

in a Cave of Cavern

1000

In what game does one player try to checkmate his or her opponent?

Chess