Number Crossword

Across

3. The magic number
4. 1 + 1
5. One followed by six zeros
8. The lucky number
9. 10 - 2
11. Five + Five + Five
13. 10 x 2

Down

1. 50 x 2
2. 3 + 1
3. 5 x 5
6. All on it's
7. 3 X 3
8. 2 x 3
10. 5 + 3 + 2
11. Half of 100
12. 3 + 2