Show:
Addition
Subtraction
Place-value
Adding & Subtract
Different ways
100

4 + 6 ?

10

100

10 - 5

5

100

 20 + 3

23

100

6 + 9

15

100

 200+ 30+7

2 Hundreds ,3 Tens, 7 ones

237

200

7+ 10?

17

200

9 - 4

5

200

 40 + 6

46

forty six

200

19 -9

 10

200

twenty Hundred and Three

203

300

15 + 4

19

300

20 -5 =

15

300

642

600+40+2

300

18 + 5

23

300

519

500+ 10+ 9

5Hundred , 1 Tens , 9 ones

400

25 + 7

32

400

18 - 7

11

400

300 + 20 +8

328

400

38 -20

18

400

 Five Hundred five

505

500+5

500

35 + 8

43

500

37 - 5

32

500

735

700+30+5

500

200 - 70

130

500

70 +3 +300

373

3Hundred , 7 tens, 3 ones