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Moving Decimal Points
Adding Decimals
Subtracting Decimals
Digit Values
Rounding
100

34.722 x 100

3472.2

100

34 + 2.33

36.33

100

3 - 2.328

0.672

100

What is value of digit 3?   45.387

3/10

100

Round 3.21 to the nearest whole number

3.00

200

2.09 x 1/10

0.209

200

0.078 + 12.132

12.210

200

0.934 - 0.297

0.637

200

What is the value of the 7?

2,873.988

70

200

Round 41.387 to the nearest hundredth

41.39

300

What is 1/1000 of 989.099

0.989099

300

3.322 + 9.98

13.302

300

12.736 - 3.4

9.336

300

What is the value of the 6?   23.456

6/1,000

300

Round to the nearest whole number  98.908

99.000

400

9.23 x 1000

9,230

400

25 +  3

28

400

45.555 - 40

5.555

400

What is the value of the 2?    1,234,567

200,000

400

Round to the nearest tenth.      1.173

1.200

500

1/100 x 256.256

2.56256

500

0.25 + 0.003

0.253

500

9.8 - 3.586

6.214

500

What is the value of the 9?    3.098

9/100

500

Round to the nearest thousand.    3,245.758

3,000.000