Algebra Block Vocab

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Across
  1. 2. replace each variable in the expression with its value.
Down
  1. 1. 2 numbers that are the same distance in opposite directions from zero on a number line.
  2. 3. collection of numbers, variables, and operations.
  3. 4. A numbers distance from zero on the number line.
  4. 5. letter that is used to represent one or more numbers.