Across
- 4. 20 − 1
- 7. 11 × 2
- 8. 19 + 1 + 1
- 10. One less than 30
- 11. One less than 18
- 12. 5 + 2
- 13. 10 + 1
- 16. 5 × 5
- 20. 20 + 3
- 23. 5 + 5
- 26. 6 × 4
- 28. 6 + 6 + 6
- 29. 10 × 3
Down
- 1. 17 − 1
- 2. 13 × 2
- 3. A dozen
- 5. 2 + 2
- 6. The number after 0
- 7. 30 − 3
- 9. 10 + 3
- 14. Half of 10
- 15. One less than 19
- 17. 7 × 2
- 18. 3 + 3
- 19. 20 + 1
- 21. 18 + 2
- 22. 30 ÷ 2
- 23. 1 + 1
- 24. 2 + 1
- 25. 4 + 4
- 27. One less than 10
