Across
- 1. a mathematical sentence
- 3. used to group numbers or variables
- 4. two expressions that are not equal
- 6. formed when two lines intersect
- 8. an angle of 180
- 9. angles opposite each other when two lines cross.
- 11. two lines are crossed by another line
- 14. expressions that work the same even though they look different
- 16. two angles whose sum is 90
- 17. a mathematical statement
- 18. summands in a sum that differ only by a numerical factor
Down
- 2. two angles whose sum is 180
- 5. have a common side and a common vertex
- 7. A linear system a unique solution
- 10. Numbers we can multiply together to get another number
- 12. single mathematical expression.
- 13. the sum of angles
- 15. a place holder used to determine a number
- 17. a combination of numbers, variables, functions