Fundamentals of Mathematics Crossword Puzzle

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Across
  1. 1. a figure with at least 3 sides and angles
  2. 4. part of a whole
  3. 5. unit of linear measurement
  4. 7. a system of measurement
  5. 10. quantity by which a given number is multiplied
  6. 11. means of solving a problem
  7. 12. number expressing central value in a set of data
  8. 14. property allows you to multiply numbers and then add the products
  9. 15. the extent of measurement of a surface
  10. 17. allow changing the order of numbers but not the result
  11. 18. phrase containing letters and numbers
  12. 21. a function that moves an object a certain distance
  13. 22. a rough calculation of numbers
  14. 24. altering a number for easier calculation
  15. 26. opposite or contrary in position
Down
  1. 1. quantity obtained by multiplying two numbers together
  2. 2. a number liable to change
  3. 3. unit of measurement
  4. 6. allows adding or multiplying numbers regardless of how they are grouped
  5. 8. result of subtraction
  6. 9. the number below the line in a common fraction
  7. 13. a line forming the boundary of a closed geometric figure
  8. 16. equal in value
  9. 19. a part of a number in relation to a whole
  10. 20. value numerical value based on position
  11. 23. area the measure of the top layer of something and the surrounding area that it occupies
  12. 25. number divided into a number without a remainder