Show:
Hundred's Chart Sums
Hundred's Chart Differences
Big Sums
Big Differences
100

3+9=

12

100

9-5=

4

100

22+65=

87

100

36-12=

24

200

10+12=

22

200

20-12=

8

200

52+36=

88

200

55-23=

32

300

32+8=

40

300

36-14=

22

300

77+12=

89

300

62-33=

29

400

77+6=

83

400

77-23=

54

400

12+37=

49

400

81-19=

62

500

51+25=

76

500

98-12=

86
500

49+29=

78

500

47-18=

29