Teach your students to use compatible numbers as a subtraction strategy with an interactive slide deck.
What is the Compatible Numbers Subtraction Strategy?
The Compatible Numbers strategy is a mental math approach that simplifies the process of subtraction by using numbers that are close to the original numbers but easier to work with. This method is particularly useful when dealing with larger numbers or when performing mental calculations.
Teaching Slides for Compatible Numbers
This teaching presentation outlines using compatible numbers as a subtraction strategy. It includes example slides that break down the steps involved in this strategy, and it uses animation to help visualize the process.
Use the pen tool during Slide Show mode to work through the examples in a guided setting.
You can easily create additional examples in this PowerPoint by duplicating slides and altering the number sentences.