Multiplying/Dividing by Base 10
Adding
Decimals
Multiplying
Decimals
Subtracting
Decimals
Dividing
Decimals
Risk It
200

12.1 x 100

1,210

200

Add these decimals: 21.74 + 8.27

30.01

200

Multiply these decimals: 0.12 * 7

0.84

200

Subtract these decimals: 851.701 - 312.49

539.211

200

Divide these decimals: 30.9 ÷ 3 

10.3

200

You get............

double your points :)

400

9.563 x 10 =

95.630

400

Add these decimals: 5.2 + 3.11

8.31

400

Multiply 4.4 * 5.3 =

23.32

400

Subtract these decimals: 10.71 - 0.7

10.01

400

Divide these decimals: 60.5 ÷ 5

12.1

400

You get..............

nothing :)

600

52.1 x 1,000 =

52100

600

Add these decimals: 6.125 + 18.4729

24.5979

600

Multiply these decimals: 1.83 * 0.3

5.49

600

Subtract these decimals: 547.612 - 3.107

544.505

600

Divide these decimals: 1.272 ÷ 6

0.212

600

You get........

Give your points to the team with the lowest amount of points (if this is you then the team with the highest points has to give half of their points to the team with the second lowest points)

800

0.321 x 100

32.1

800

Add these decimals: 17 + 9.54

26.54

800

Multiply these decimals.  12.7 * 2.6 =

33.02

800

Subtract these decimals: 9.034 - 0.095

8.939

800

Divide these decimals: 3.25 ÷ 5 

0.65

800

You get..........

give half of your points to the team with the 2nd lowest points

1000

59.86422 x 1000 =

59864.22

1000

Add these decimals: 4.67 + 29.1

33.77

1000

Multiply these decimals: 1.246 x 3.4

4.2364

1000

Subtract these decimals: 1.72 - 0.8

0.92

1000

Divide these decimals: 267.3 ÷  11

24.3

1000

You get.............

double the points of any team you want

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