Rounding Decimals
greater than, less than, or equal
Adding and subtracting decimals
Rewrite as a fraction or decimal
How many decimal digits?
100

Round 23.45 to the nearest tenth

23.5

100

1.25 ______1.215

1.25>1.215

100

32.15+24.15=

56.30

100

.75

3/4

100

23.4598

4

200

Round 10.2628 to the nearest hundredth-

10.26

200

.75_____3/4

.75=3/4

200

10.5-.8=

9.7

200

1 1/2

1.50

200

123.00345672

8

300

Round .257 to the nearest tenth.

.3

300

.293______.29

.293>.29

300

123.6-.008=

123.592

300

6 1/4

6.25

300

0.00021

5

400

Round 9.187 to the nearest hundredth.

9.19

400

.095674______.09621

.095674 <.09621

400

2.98+5.3=

8.28

400

86.04

86 4/100

400

6

0

500

Round .1042 to the nearest thousandth.

.104

500

1.25____1 1/4

1.25= 11/4

500

.09421+1.2=

1.29421

500

.0923

923/10,000

500

.6

1

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