Unit 2 8th Grade Math

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Across
  1. 1. A number that when multiplied three times equals a given number. It is the inverse of cubing a number.
  2. 4. The side of a right triangle opposite the right angle
  3. 7. The distance a number is from zero on a number line. Always positive.
  4. 8. A number multiplied by a variable in an algebraic expression.
  5. 10. Any real number which can not be expressed as a fraction of two integers
  6. 12. A term without a variable.
  7. 13. A number that produces a specified quantity when multiplied by itself. It is the inverse of squaring a number.
  8. 14. A number that has an exponent.
  9. 16. The set of whole numbers and their opposites.
  10. 18. The set of numbers 1, 2, 3, 4, ...
  11. 19. A number, a variable, or a product of a number and one or more variables.
Down
  1. 2. All positive and negative integers and fractions.
  2. 3. The set of numbers including 0,1,2,3,4...
  3. 5. The set that includes all rational and irrational numbers.
  4. 6. Equal to.
  5. 9. A mathematical notation indicating the number of times a quantity is multiplied by itself.
  6. 11. Numbers expressed using exponents.
  7. 15. The sides of a right triangle that form the right angle
  8. 16. The square root of a negative number.
  9. 17. A symbol used to represent a quantity that can change.