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This instructional routine is intended to support students in looking for similarities and differences in a collection of mathematical objects and sorting or matching those cards based on what they observe.

This instructional routine is intended to support students in developing a strategy for solving a problem by working on a sequence of related problems.

This routine is intended to be used in a lesson after students have completed a mathematical task or assessment and you want students to be able to get feedback on their ideas and act on that feedback.

This is an overview of the routine along with some sample tasks.

This document is meant to help you plan out a task to use with Sharing Skepticism.

These are sample slides for the Sharing Skepticism instructional routine. Go to File => Make a copy in order to edit a copy of these slides for your own use.

This instructional routine is helpful when you want students to work on mathematical modeling from a realistic context.

This routine is intended to support students in developing mathematical language, understanding a word problem they will work on, and getting a starting place from which to tackle the problem.