Multiplying by 10
Dividing by 10
Standard Form
Rounding
Addition
Subtraction
100

(5 ten thousands 9 hundreds) × 10

509,000

100

(9 thousands 4 tens) ÷ 10

904

100

9 thousands 3 hundreds 4 ones

9,304

100

765,903 rounded to the nearest thousand

766,000

100

1,000 + 56,879

57,879

100

389,270 − 10,000

379,270

200

(7 ten thousands 5 hundreds) × 10

705,000

200

(6 thousands 3 tens) ÷ 10

603

200

1 hundred thousand 8 thousands 9 hundreds 5 tens 3 ones

108,953

200

842,617 rounded to the nearest ten thousand

840,000

200

2,000 + 48,725

50,725

200

512,430 − 100,000

412,430

300

(4 ten thousands 6 hundreds) × 10

406,000

300

(8 thousands 2 tens) ÷ 10

802

300

4 thousands 2 hundreds 7 ones

4,207

300

923,478 rounded to the nearest hundred thousand

900,000

300

3,000 + 72,684

75,684

300

456,080 − 10,000

446,080

400

(8 ten thousands 7 hundreds) × 10

807,000

400

(5 thousands 4 tens) ÷ 10

504

400

2 hundred thousands 7 thousands 6 hundreds 8 tens 9 ones

207,689

400

765,903 rounded to the nearest ten thousand

770,000

400

4,000 + 48,725

52,725

400

324,560 − 100,000

224,560

500

(9 ten thousands 2 hundreds) × 10

902,000

500

(9 thousands 6 tens) ÷ 10

906

500

3 hundred thousands 5 thousands 2 hundreds 7 tens 1 ones

305,271

500

842,617 rounded to the nearest hundred thousand

800,000

500

5,000 + 56,879

61,879

500

631,250 − 200,000

431,250

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