Across
- 2. - an angle that measures 90°
- 5. - an angle that measures less than 90°
- 7. - the operation that might give you a remainder
- 9. - the operation wherein the answer is called a product
- 11. - we measure angles with this
- 12. - an angle that measures 180°
- 13. - a shape with three angles
Down
- 1. - the operation used to take away something
- 3. - a shape with four angles
- 4. - the operation used to know the total number
- 6. - two straight lines that meet at a common end point
- 8. - an angle that measures over 90°
- 10. - the tool used to measure an angle