Across
- 4. in particular a small electronic device
- 6. equality
- 7. .
- 9. plus
- 10. catch
- 12. box
- 14. divide
- 15. whole number
- 18. subject
- 19. angling
- 20. fragment
- 21. times
Down
- 1. shifting
- 2. part
- 3. something used for making mathematical
- 5. pounds
- 8. fraction
- 11. twin
- 13. raising to the power
- 16. counting
- 17. minus