Adding up missing factors will be a routine matter for students after they complete this exercise.

If students are confused about how to complete three digit subtraction problems with missing factors, let them work through this explanatory exercise.

Have your fourth graders work through multiplication problems by learning about factors and why they are important for problem solving.

This exercise is full of examples that teach students common facts about multiplying double digit numbers.

If students are missing one digit in a multiplication problem, this exercise will help them walk through any challenges.