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1 of 11

2 of 11

3 of 11

4 of 11

10

10

10

10

5 of 11

2 + 7 = 9

1 + 8 = 9

2 + 8 = 10

3 + 7 = 10

3 + 5 = 8

1 + 7 = 8

6 of 11

3

0

6

3

7 of 11

8 of 11

1 + 2 + 2 = 5

2 + 3 + 5 = 10

5 + 4 + 0 = 9

9 of 11

10

10

10

8

9

7

10 of 11

1

3

10

11 of 11