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Division
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Subtract
Estimate
100

200 x 10 = ?

1,800

100

2.55 divided by 10

0.255

100

48.6 + 156

204.6

100

1 - 100

Negative 99 = -99

100

7.16 rounded to the nearest tenth

7.2

200

2 x 1,568 = ?

3,136

200

30.47 divided by 1,000

0.03047

200

7 + 89

96

200

99 - 1,000,000

999,901

200

1,589.064 rounded to the nearest hundred.

1,600

300

2.56 x 1,000 = ?

2,560

300

712.85 divided by 10

71.285

300

15+ 372,626,369

372,626,384

300

1,536 - 379

1,157

300

346 rounded to the nearest hundred.

300

400

2.5000 x 1,000,000

25,000,00

400

30.61 divided by 10

3.061

400

27 + 1,876

1, 903

400

37.89 - 21.010

16.79

400

476.8 rounded to the nearest one.

477

500

1,000,000 x 56

56,000,000
500

576 divided by 2

288

500

327 + 327

654

500

27 - 19

8

500

576 rounded to the nearest ten

580