Pre-Algebra Unit Vocabulary

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Across
  1. 3. the Order of Operations
  2. 6. to determine an answer by substitution
  3. 8. when a number has been "flipped"
  4. 10. two ratios set equal to each other
  5. 11. an expression with a greater than, less than, greater than or equal to, or less than or equal to sign
  6. 12. fractions or rates
  7. 13. when words are changed to mathematical symbols
Down
  1. 1. to make an expression smaller by using the order of operations
  2. 2. necessary in order to add or subtract fractions
  3. 4. positive or negative whole numbers
  4. 5. numbers or variables, or a combo of each, separated by addition or subtraction
  5. 6. an expression with an equal sign
  6. 7. the distance from zero
  7. 9. a set of terms