20 words

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Across
  1. 2. Multiplication-The process or skills of multiplication.
  2. 4. word of clause sentence.
  3. 7. means of solving a problem.
  4. 8. plane figure with four equal straight sides and four right angles.
  5. 11. numbers are numbers greater
  6. 12. that they are rational.
  7. 14. action of separation something into parts of process
  8. 16. though or consideration.
  9. 17. secondary or vertical of a system of coordination.
  10. 18. whole numbers a number that is not fraction.
Down
  1. 1. the symbols of subtracting adding
  2. 3. a answer to explaining.
  3. 5. numbers are numbers greater.
  4. 6. of this figure from the total.
  5. 7. Operation-refers to calculating a volue.
  6. 8. something.
  7. 9. principal or horizontal axis of a system of coordinates.
  8. 10. symmetry.
  9. 13. space(usually measure in degrees.
  10. 15. quantity or amount.