Number Form
Unit Form
Expanded Form
Add
Subtract
100

1 hundred 2 tens 4 ones

124

100

451

4 hundreds 5 tens 1 one

100

245

200 + 40 + 5

100

10 + 5

15

100

10 - 5

5

200

2 hundreds 8 tens 0 ones

280

200

914

9 hundreds 1 ten 4 ones

200

120

100 + 20

200

25 + 5

30

200

25 - 10

15

300

6 tens 3 ones 4 hundreds

463

300

100 + 40 + 8

148

300

3 hundreds 3 tens 2 ones

300 + 30 + 2

300

50 + 10

60

300

100 - 70

30

400

700 + 40 + 6

746

400

50 + 600 + 3

653

400

5 ones 8 tens 2 hundreds

285

400

100 + 100

200

400

500 - 50

450

500

6 + 300 + 50

356

500

Four hundred thirty six

436

500

six hundred twenty nine

629

500

200 + 20

220

500

100 - 10

90