Adding
Subtracting
Rounding
times
Fractions
100

2 + 2

4!

100

4 - 2

2!

100

Round this number to the nearest ten:

4

0!

100

2 x 2

4!

100

Convert this fraction to percentage:

1/1

100%

200

14 +18

30!

200

72 - 43

29!

200

Round this number to the nearest fifty:

34

50!

200

23 x 10

230!
200

Convert this fraction to percentage:

25/100

25%

300

476 + 328

804!

300

845 - 363

482!

300

Round this number to the nearest hundred:

450

500 or 400!

300

234 x 23

5,382

300

Convert this fraction to percentage:

2.8/10

28%

400

3,546 + 4,845

8,391!

400

8,785 - 3,470

5,315!

400

Round this numer up to the nearest thousand:

2447

2,000!

400

3,236 x 98

317,128

400

Convert this fraction to percentage:

2/5

40%
500

54,838 + 45,134

99,972!

500

94,543 - 6,876!

87,667

500

Round this number to the nearest ten:

342,476,774

70!

500

346,213,13 x 2,564

88,769,046,532

500

Convert this fraction to percentage:

1/20

5%