Show:
Addition
Subtraction
100

what is ____ + 5= 9

4

100

900-753=

127

200

10 + 10 + 10=

30

200

8 hundreds 3 tens 1 one - 5 hundreds 2 tens=

3 hundreds 1 ten 1 one

300

50 + 30=

80

300

458-219=

239

400

5 tens + 4 ones =

54

400

1000-500=

500

500

4 hundreds + 2 tens + 8 ones=

428

500

6 hundreds - 2 hundreds

4 hundreds