Across
- 2. angle 130° and angle 50°
- 6. two angles add to 90°
- 7. formed when two lines intersect each other at a single point
- 9. Numbers we can multiply together to get another number
- 10. relate to the sum of angles that can be arranged together so that they form a straight line
- 11. used to indicate that a particular collection of numbers and meaningful operations are to be grouped together and considered as one number
- 15. compares two values
- 16. when they share the common vertex and side
- 18. the set of values that satisfy a given set of equations or inequalities
- 19. 180 degrees
Down
- 1. a single mathematical expression
- 3. Terms whose variables (such as x or y) with any exponents (such as the 2 in x2) are the same
- 4. expressions that work the same even though they look different
- 5. A symbol for a value we dont know yet
- 8. the sum of angles that can be arranged together so that they form a full turn
- 12. an angle that is equal to 180 degrees
- 13. mathematical sentence made up of numbers and symbols
- 14. a statement that the values of two mathematical expressions are equal (indicated by the sign =)
- 17. Numbers, symbols and operators (such as and times) grouped together that show the value of something