math rocks

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Across
  1. 3. are numbers you can multiply together to get another number.
  2. 7. The action of measuring something: "accurate measurement is essential".
  3. 8. a number usually expressed in the form a/b.
  4. 11. A number with no fractional part. either has negitive or postive
  5. 13. he action of separating something into parts, or the process of being separated.
  6. 15. figures a set of points in space; examples: box, cone, cylinder, parallelpiped, prism, pyramid, regular pyramid, right cone, right...
  7. 16. what r these called 1-100 and so on
  8. 17. sign a sign indicating that the quantities on either side are equal.
  9. 18. The middle number (in a sorted list of numbers).
  10. 19. value he numerical value that a digit has by virtue of its position in a number.
Down
  1. 1. is the average of the numbers: a calculated "central" value of a set of numbers.
  2. 2. A symbol representing such a quantity.
  3. 4. he action or process of adding something to something else. it uses +
  4. 5. A fraction whose denominator is a power of ten and whose numerator is expressed by figures placed to the right of a decimal point.
  5. 6. The process or skill of taking one number or amount away from another it uses -.
  6. 9. To increase the amount, number, or degree of.
  7. 10. The answer when two or more numbers are multiplied together
  8. 12. he number which appears most often in a set of numbers.
  9. 14. pairs A pair of elements a, b having the property that (a, b) = (u, v) if and only if a = u, b =