Algebra 1

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Across
  1. 2. Substituting a given number for each variable
  2. 5. two numbers whose product is 1
  3. 6. the set of numbers 0,1,2,3,4,5…
  4. 7. a statement that solves a problem or explains how to solve a problem
  5. 10. an example that shows a conjecture is false
  6. 12. whole numbers and their opposites
  7. 13. a statement that compares two quantities
  8. 15. a symbol like x or y that is used in mathematical expressions
  9. 17. a mathematical notation indicating the number of times a quantity is multiplied by itself
  10. 18. terms with exactly the same variable factors in a variable expression
  11. 19. a number, a variable, or the product of a number and a variable
  12. 20. adding the opposite
Down
  1. 1. that cannot be expressed in the form a/b, where a and b are integers and b=0
  2. 3. the distance that a number is from zero on the number line
  3. 4. A mathematical phrase that contains operations, numbers, and or variables
  4. 8. The numerical factor when a term has a variable
  5. 9. A quantity that does not vary
  6. 11. to write an expression in a simpler form
  7. 14. the set of numbers that includes rational and irrational numbers
  8. 16. A mathematical sentence with an equal sign