Addition
Addition 2
Addition 3
Subtraction 1
Subtraction 2
100

5+5

10

100

7+19

26

100

32+10

42

100

100-1

99

100

100-0

100
200

10+10

20

200

14+7

21

200

11+40

51

200

16-13

3

200

10-10

0
300

12+3

15

300

29+5

44

300

30+19

49

300

42-10

32

300

98-12

86

400

14+14

28

400

7+32

39

400

40+23

63

400

33-11

22

400

80-19

61

500

100+100

200

500

29+3

32

500

23+45

68

500

24-20

4

500

35 - 29

6