matthew and justin's crossword puzzle

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Across
  1. 2. To move the point across the x or why axis
  2. 5. An element of the set of whole numbers and their opposites
  3. 8. The mean is the sum of all values divided by the total number of values
  4. 9. a number that consists of a whole and a fractional part
  5. 14. Denamantors that are equal to do addition and subtraction of fractions
  6. 16. the number below the line in a common fraction
  7. 17. the magnitude of a real number without regard to its sign.
  8. 19. an expression built up from constant algebraic numbers
Down
  1. 1. The largest common factor between two or more numbers
  2. 2. the difference between the highest and lowest values in a set of numbers.
  3. 3. A letter or symbol used to represent a changing quantity
  4. 4. Divosn when you multiply by ten and move the place up into the answer
  5. 6. An expression that shows a difference in the problem
  6. 7. A numerator represents the number of parts out of the whole, which is the denominator.
  7. 10. A plane made with intersecting lines
  8. 11. the relationship in quantity, amount, or size between two or more things
  9. 12. The number that indicates how many times to multiply the base by itself
  10. 13. The most frequent number
  11. 15. The median is the value in the middle of a data set
  12. 18. The smallest number other than zero in two or more multiples