Cross-O-Algebra

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Across
  1. 3. value the distance a number is from zero on the number line; written with the symbols | |
  2. 5. a number sentence without an equals sign
  3. 6. a number multiplied times a variable; ex: in "3x," 3 is the coefficient
  4. 8. used to solve equations; applying the opposite operation in reverse order of operations isolating the variable
  5. 9. solve or work out an order of operations problem; to describe an expression as precisely as possible
  6. 12. a number sentence that contains one or more variables
  7. 16. NOT equal in value; a comparison of two expressions using these symbols: greater than/less than/not equal to
  8. 18. a number, a variable, or a product of numbers and variables; the numbers in a sequence
  9. 19. all numbers on the number line; this includes (but is not limited to) positives and negatives, integers and rational numbers, square roots, cube roots and pi
  10. 20. a symbol, usually a letter, that stands for an unknown number
Down
  1. 1. a real number that is positive including zero but not including fractions or decimals
  2. 2. to replace the variable with a number that makes an equation true; to find the value of the variable, you must solve the equation
  3. 4. a number that does not have a finite value
  4. 7. a relationship between two variables
  5. 10. pairs describes positives and negatives "pairing up"; positives and negatives cancel each other out, so the value of a zero pair is zero
  6. 11. real numbers that are positive and whole but not including zero
  7. 13. a number that has a finite value; includes positives, negatives, zero, whole numbers, fractions, and decimals
  8. 14. to find the value of an expression by replacing variables with numbers
  9. 15. a positive number, a negative number, or 0 (whole numbers and their opposites) but NOT a fraction or decimal
  10. 17. any number that makes an equation true; THE ANSWER