New Activity
Play Matching Game
1. 1
2. 5
3. 10

20-10

2-1

3+2

6-1

8+2

4-3

9+1

4+1

0+1

3+7

2+2+1

7-2

4+6

6+4

1-0

3-2

6-5

5+5

1+9

0+5

1

5-4

9-4

10-5