Math Vocabulary

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Across
  1. 4. these numbers' only factors are 1 and themselves
  2. 5. the name for angles exactly 90 degrees
  3. 7. the answer to a multiplication problem
  4. 9. another name for 25% of something
  5. 11. the opposite of prime numbers
  6. 14. the name for lines that intersect at 90 degree angles
  7. 15. another name for 50% of something
Down
  1. 1. the answer to an addition problem
  2. 2. the answer to a division problem
  3. 3. the name for numbers like one half, three fifths, etc
  4. 6. when you multiple a number by two you can say you ______ it
  5. 8. the answer to a subtraction problem
  6. 10. the name for angles smaller than 90 degrees
  7. 12. the name for angles larger than 90 degrees
  8. 13. the name for lines that go the same direction but never touch