Basic algebra and pre algebra worksheets with answers for evaluating expressions with known variables and without known variables. An excellent source for common core standards in math for pre algebra worksheets and printables with answers. Great for 6th, 7th, and 8th grade math.
| Known Variable 3 Operations|
Known Variable 3 Operations 1 Bracket
Known Variable 3 Operations 2 Brackets
Known Variable Adding or Subtracting