Show:
Addition
Subtraction
Rounding
Number Forms
Comparing Numbers
100

3 Hundreds + 30

330

100

5 tens 6 ones - 6

50

100

The Rules For Rounding

Find your place, look next door, five or greater add one more, look to the right put zeroes in sight.

100

3 tens 4 ones in Standard Form

34

100

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2 tens 5 ones                     25

=
200

5 ten thousands 6 hundreds + 400

51,000

200

236 - 48

188

200

6,323 Rounded to the nearest tens place

6,320

200

598 in Expanded Form

500 + 90 + 8

200

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56,820                                 47,951

>

300

4 hundreds 3 hundred thousands 6 ones + 10

300,416

300

5,623 - 4,411

1,212

300

47,852 rounded to the nearest Hundreds place

47,900

300

6,000 + 50 +2 in Unit Form

6 thousands 5 tens 2 ones

300

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4 thousands 3 hundreds 2 tens                432

>

400

3 ones 6 hundreds 4 hundred thousands + 7 tens 5 ones

400,678

400

30 tens 5 ones - 4 tens 4 ones

261

400

675,000 Rounded to the nearest millions

1,000,000

400

Fifty-six thousand three hundred twenty in Standard Form

56,320

400

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5 tens 3 thousands 4 ones 2 hundreds          3,255

<

500

10 hundred thousands + 1,000,000

2,000,000

500

10 Hundred Thousands - 1,000,000

0 (squadoosh)

500

159,590 Rounded to the nearest Thousand

160,000

500

27,956 in Expanded Form

20,000 + 7,000 + 900 + 50 +6

500

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10 hundred thousands                    100 ten thousands

=