Algebra

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Across
  1. 4. A part of an algebraic expression, such as 3x in 3x-11+a.
  2. 5. To replace a variable with a number
  3. 7. To find the value of an expression.
  4. 8. The opposite of expand.
  5. 9. Terms that have exactly the same variables.
Down
  1. 1. An expression that describes a quantity by using variables and numerals, such as 3x+4y-8.
  2. 2. A way to represent division.
  3. 3. A letter or symbol that represents a value in an algebraic expression or equation.
  4. 6. To rewrite an expression such as 4(2k+4) without brackets.