Show:
Addition
Addition Regrouping
Subtraction
Subtraction Regrouping
Multi-Digit Addition
100

22 + 35

57

100

25 + 16

41

100
4 - 3
1
100

20 - 11

9

100

2,154 + 1,279

3,433

200

16 + 63

79

200

24 +18

42

200
7 - 4
3
200

55 - 26

29

200

126 + 345

471

300

12 + 14

26

300

25 + 25

50

300
11 - 3
8
300

26 - 17

9
300

70,742 + 21,346

92,088

400

30 + 20

50

400

66 + 76

142

400
18 - 2
16
400

53 - 24

29
400

978 +261

1,239

500
29 + 7
36
500

23 + 28

51

500
19 - 4
15
500
63 - 39
24
500

123,456,789 + 123, 456,789

246,913,578