Across
- 5. uses "X symbol
- 8. bottom number in a fraction
- 9. condition of being safe from risk or danger
- 11. top number in a fraction
- 13. process of changing from one form to another
- 15. expression stating two ratios are equal
- 17. part of a whole number expressed in hundredths
Down
- 1. deducting numbers; expressed by ‘‒’ symbol
- 2. sharp edges on tools
- 3. field of study concerned with numbers
- 4. glasses or goggles worn to protect eyes
- 6. combining numbers; expressed by ‘+’ symbol
- 7. longest side of a right triangle
- 10. long and narrow excavation in the ground
- 12. danger or risk
- 14. unknown quantity
- 16. also known as heating, ventilation & air condition