Evaluating expressions with variables word problems

Practice plugging in values to evaluate real-world algebraic expressions. These are introductory problems, so the expressions aren't too complicated.


Calvin and Melvin are two of Santa's elves. The number of toys they build is given by 11, c, plus, 8, m where c is the number of candy canes Calvin eats for breakfast and m is the number of candy canes Melvin eats for breakfast.
How many toys do they build when Calvin eats 5 candy canes and Melvin eats 3 candy canes for breakfast?
  • Your answer should be
  • an integer, like 6
  • an exact decimal, like 0, point, 75
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4