Word form
standard form
Add +3
subtract-
Multiply by 6
100

42

4 tens 2 ones

100

40+7

47

100

4+3

7

100

319-9

308

100

6x2

12

200

133

1 hundreds 3 tens 3 ones 

200
100+90+2

192

200

12+3

15

200

999-9

990

200

70x6

420

300

556

5 hundred 5 tens 6 ones

300

900+70+7

977

300

40+3

43

300

1,000-9

991


300

60x6

360

400

1,617

1 thousand 6 hundreds 1 tens 7 ones

400

2,000+100+40+9

2,149

400
300+73

373

400

799-9

790

400

500x6

3,000

500

9,217

9 thousands 2 hundreds 1 tens 7 ones

500

40,000+1,000+000+00+5

41,005

500

604+3

607

500

1,149-9

1,140

500

9,000x6 

54,000

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