Math Vocabulary

1. An angle is formed when two lines intersect each other
3. either of two angles whose sum is 180°.
4. the terms that contain the same variable which is raised to the same power
5. either of two angles whose sum is 90°.
8. a single mathematical expression
10. each of the pairs of opposite angles made by two intersecting lines.
11. a quantity that can be changed and is not fixed.
12. a relationship between two expressions or values that are not equal to each other
13. when they share the common vertex and side
15. a statement that the values of two mathematical expressions are equal (indicated by the sign =)
16. Numbers we can multiply together to get another number.
17. the set of all the solutions of an equation or condition.
18. a mathematical sentence made up of numbers and symbols

2. an angle of 180°.
4. formed when two lines intersect each other at a single point
6. expressions that work the same even though they look different
7. describes the sum of angles that can be arranged together so that they form a full turn.
9. used to indicate that a particular collection of numbers and meaningful operations are to be grouped together and considered as one number.
14. Numbers, symbols and operators (such as and times) grouped together that show the value of something