Show:
Addition
Subtraction
2 Digit Addition-No regrouping
2-Digit Addition with regrouping
100

1 + 5 =

6

100

3-1 = 

2

100

23 + 45 =

68

100

65 + 35 = 

100

200

2 + 3 = 

5

200

4 - 3 =

1

200

46 + 12 = 

58

200

84 + 52 = 

136

300

4 + 4 =

8

300

7-3 = 

4

300

32 + 26 = 

58

300

167 + 351 =

518

400

6 + 5 =

11

400

9 - 5 = 

4

400

67 + 31 = 

98

400

589 + 696 = 

1285

500

9 + 10 = 

19
500

10 - 7 = 

3

500

82 + 17 = 

99

500

1237 + 4682 = 

5919