Across
- 9. A symbol for a value we dont know yet.
- 13. An angle is formed when two lines intersect each other.
- 14. expressions that work the same even though they look different
- 15. Terms whose variables with any exponents are the same.
- 16. each of the pairs of opposite angles made by two intersecting lines.
- 18. an angle that is equal to 180 degrees.
Down
- 1. used to indicate that a particular collection of numbers and meaningful operations are to be grouped together and considered as one number
- 2. either of two angles whose sum is 180°.
- 3. either of two angles whose sum is 90°.
- 4. angles that share the common vertex and side.
- 5. the sum of angles that can be arranged together so that they form a full turn.
- 6. the set of all the solutions of an equation or condition.
- 7. a mathematical sentence made up of numbers and symbols
- 8. Numbers, symbols and operators grouped together that show the value of something.
- 10. An inequality compares two values, showing if one is less than, greater than, or simply not equal to another value.
- 11. Numbers that can multiply together to get another number.
- 12. a single mathematical expression.
- 15. formed when two lines intersect each other at a single point.
- 17. a statement that the values of two mathematical expressions are equal.