Want to introduce your second grader to basic algebra? In this worksheet, your child will solve basic algebra problems by reversing the operations to find the numbers missing from each equation. In these equations, the missing number plays the same part as a variable in algebra. For a more in-depth algebra lesson, show your child how to rewrite each problem as an equation with a variable.

Print out the rest of the worksheets in the Find the Missing Numbers series for more reverse arithmetic practice.