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Kinder
100

1+1

2

100

1-1

0

100

1x1

1
100

23

Any equation equal to 23

100

1+1

1

200

12+45

57

200

13-7

5

200

2x9

18

200

56

Any equation equal to 56 

200

2+5

7

300

57+57

114

300

48-24

24

300

3x9

27

300

118

Any equation equal to 118

300

17+2

19

400

234+976

1210

400

120-76

44

400

4x9

36

400

238

Any equation equal to 238

400

23+12

35

500

1210+1210

2420

500

476-347

129

500

9x9

81

500

1908

Any equation equal to 1908

500

23+41

54