Math Vocabulary

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Across
  1. 3. Lines that intersect at a right angle (90 degrees)
  2. 5. representing the same, equal, quantity
  3. 7. The answer to a subtraction problem
  4. 8. A symbol (usually a letter) that represents an unknown value
  5. 10. The answer to a multiplication problem
  6. 11. The distance across a circle through the center
  7. 13. The value of the variable that makes the equation true
Down
  1. 1. Lines that run side-by-side and never intersect
  2. 2. Having the same size and shape
  3. 4. An operation that reverses the effect of another operation
  4. 6. The answer to a division problem
  5. 9. The answer to an addition problem.
  6. 12. The distance from the center of a circle to any point on the circle