addition
subtraction
2d shapes
100

1+1

2

100

2-1

1

100

Circle

circle

200

1+3

4

200

3-2

1

200

triangle

triangle

300
2+2

4

300

4-2

2

300
rectangle

rectangle

400

2+3

5

400

5-2

3

400

square

square

500

5+1

6

500

4-4

0

500

hexagon

hexagon

M
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