Practice adding and subtracting to solve word problems. These questions are result unknown or change unknown problems.  Numbers used are 100 or less.

Problem

Merlin the magician performed 21 magic tricks on Thursday and 54 magic tricks on Friday.
How many total magic tricks did Merlin perform on Thursday and Friday?
  • 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
magic tricks