algebra basics

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Across
  1. 3. a number that stays the same
  2. 6. a rule used to multiply a single term by a group of terms inside parentheses
  3. 7. to find the numerical value of an expression or function by calculating it
  4. 8. transformation that slides a shape ,point, or line from one place to another without changing size or shape
Down
  1. 1. a way to simplify an expression by adding or subtracting parts that have the exact same variable
  2. 2. the basic rules that allow you to move numbers and variables around in an equation while keeping it balanced
  3. 4. the process of replacing a letter with a number or another expression to evaluate of simplify an expression
  4. 5. a number we don't know yet