In this lesson, students must become detectives to solve for the missing number in each subtraction problem. They will develop and use their powers of mathematical reasoning using number bonds to find differences.

Set your classroom up for success with this daily sub plan featuring lessons, worksheets, and activities! This resource is a great way to prepare for a substitute in your classroom. Your substitute can keep your third graders learning in your absence by using this packet of material. This teaching resource highlights fiction comprehension, creative writing, social studies skills, and math challenges.