Across
- 1. Ten minus four
- 3. nine 7 times 7
- 7. Six minus three
- 11. Two times ten
- 13. Five times five
- 15. One plus four
Down
- 1. three 7 times 9
- 2. Two times two
- 4. Five minus four
- 5. One hundred minus ninety
- 6. Four times twenty
- 8. Ten times ten
- 9. Two times four
- 10. Three plus four
- 11. Two times fifteen
- 12. 18 divided by 2
- 14. One plus one