Crossword Puzzle for Module 3 Vocabulary

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Across
  1. 2. each of the pairs of opposite angles made by two intersecting lines.
  2. 4. angles on a line
  3. 7. either of two angles whose sum is 90°.
  4. 9. a single mathematical expression
  5. 11. a statement that the values of two mathematical expressions are equal (indicated by the sign =).
  6. 12. an alphabet or term that represents an unknown number or unknown value or unknown quantity.
  7. 13. the sum of angles that can be arranged together so that they form a full turn
  8. 15. used to indicate that a particular collection of numbers and meaningful operations are to be grouped together and considered as one number
  9. 18. equation or inequality expressed using numbers and mathematical symbols.
Down
  1. 1. formed when two lines intersect each other at a single point.
  2. 3. either of two angles whose sum is 180°.
  3. 5. a relationship between two expressions or values that are not equal to each other
  4. 6. the set of all the solutions of an equation or condition.
  5. 8. the terms that contain the same variable which is raised to the same power.
  6. 10. a number that divides another number, leaving no remainder
  7. 14. an angle that is equal to 180 degrees.
  8. 16. when they share the common vertex and side.
  9. 17. a sentence with a minimum of two numbers or variables and at least one math operation.