Math Crossword

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Across
  1. 3. The result of multiplying three numbers together.
  2. 6. The result of subtracting one number from another
  3. 7. The number that is multiplied by itself to produce a square (
  4. 9. A triangle with all sides of different lengths
  5. 11. A shape with three sides
  6. 12. The opposite of multiplication (8 letters, starts with "D").
  7. 15. The result of adding two numbers (4 letters, starts with "S").
  8. 16. A polygon with five sides (6 letters, starts with "P")
  9. 18. A number that can be expressed as a fraction of two integers
  10. 19. A four-sided polygon
Down
  1. 1. A number that is not evenly divisible by any other number except 1
  2. 2. A fraction where the numerator is smaller than the denominator
  3. 4. The process of finding the value of an expression
  4. 5. A shape with six sides (5 letters, starts with "H").
  5. 8. A mathematical statement that shows the equality of two expressions
  6. 10. A shape with eight sides (6 letters, starts with "O").
  7. 13. number that cannot be exactly expressed as a simple fraction
  8. 14. A polygon with four equal sides
  9. 16. A whole number greater than 1 that has no positive divisors other than 1 and itself (4 letters, starts with "P").
  10. 17. The number of degrees in a right angle