Adding/Subtracting
Decimals
Round to the
nearest tenth
Round to the
nearest hundredth
Left or Right
Write that number
100

1.4 +0.4 = 

1.8

100

78.765

78.8

100

14.665

16.67

100

3 x 102=

300

100

67.432

sixty seven and four hundred thirty two thousandths.

200

2.8 - 0.9 =

1.9

200

8.543

8.5

200

.009

.01

200

104 x 0.325 =

3,250

200

.43

forty three hundredths.

300

2.6 - 2.259 =

0.341

300

0.098

.1

300

1.654

1.65

300

4.13 x 103 =

4,130

300

7.1

seven and one tenths

400

3.3 = 4.82

8.12

400

1.99

2

400

878.875

878.86

400

413,000 / 10=

4,130

400

9.25

nine and twenty five hundredths

500

6.5 - 4.8 = 

1.7

500

.919

.9

500

.999

1

500

7645 / 103 = 

7.645

500

435.432

four hundred thirty five and four hundred thirty two thousandths

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