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Expanded form
Standard form
Rounding
Addition
Subtraction
100

492

400+90+2

100

200+30+4

234

100

Round 34 to the nearest ten

30

100

830+32

862

100

1,394-283

1,111

200

1,503

1,000+500+3

200

one thousand eight hundred fifty-seven

1,857

200

Round 138 to the nearest ten

140

200

3,842+1,525

5,467

200

1,385-293

1,092

300

3,590

3,000+500+90

300

3,000+200+10+9

3,219

300

Round 3,825 to the nearest hundred

3,800

300

3,582+459

4,041

300

3,450-261

3,189

400

204

200+4

400

Five thousand eighty-three

5,083

400

Round 9,382 to the nearest ten

9,380

400

5,825+2,527

8,352

400

3,450-261

3,189

500

16,902

10,000+6,000+900+2

500

fifteen thousand eight hundred ninety four

15,894

500

Round 3,904 to the nearest thousand

4,000

500

5,828+3,383

9,111

500

3,020-1,253

1,767