Across
- 2. A symbol used to represent a quantity that can change
- 4. An angle that measures greater than 0° and less than 90°
- 6. Add, Subtract, Multiply or Divide
- 7. An angle whose measure is greater than 90° but less than 180 °
- 9. Answer to a mathematical problem
- 11. Two angles whose measures have a sum of 90°
- 15. On an angle or polygon, the point where two sides intersect
- 17. Opposite operations
- 19. A mathematical sentence that shows that two expressions are equal
- 20. positive and negative Integers, fractions, decimals
- 21. A figure formed by two rays with a common endpoint called the vertex.
Down
- 1. An angle that measures 90°
- 3. Pair of angles that share a vertex and one side but do not overlap
- 5. Angles that have the same measure
- 8. Sets of whole numbers and their opposites
- 10. The number that is multiplied by the variable in an algebraic expression
- 12. An expression that contains at least one variable
- 13. a mathematical sentence that shows the relationship between quantities that are not equivalent
- 14. Two angles whose measures have a sum of 180°
- 16. A value that does not change.
- 18. Opposite angles formed by two intersecting lines