Maths terms

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Across
  1. 2. A way to show numbers visually
  2. 4. The result of dividing two numbers
  3. 7. Opposite of addition
  4. 9. A number that can be expressed as a fraction of two integers
  5. 10. A whole number greater than 1 with no divisors other than 1 and itself
  6. 11. The result of multiplying two numbers
  7. 15. The opposite of addition
  8. 16. Shape with 6 equal sides
  9. 17. A triangle with all sides of different lengths
Down
  1. 1. A part or portion of a whole
  2. 3. A four-sided polygon
  3. 5. A number that is the same distance from 0 on the number line, but in the opposite direction
  4. 6. Number that divides evenly into another
  5. 7. 180-degree angle
  6. 8. A number that is greater than the rest
  7. 10. The result of multiplying two numbers
  8. 12. The highest point on a wave
  9. 13. A three-sided polygon
  10. 14. A number that is not a fraction
  11. 17. The answer to an addition problem