Equations and Inequalities

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