Explore the idea of the logic of scientific reasoning with this discussion of how science, thinking, and reasoning relate to one another.

Play these pencil and paper games to engage learners in critical thinking and reasoning. Written directions are provided along with colorful animation to explain in detail how each game is played and possible strategies needed to win.

This tutorial focuses on critical reading using a downloadable PowerPoint presentation, "Critical Reading 101," which includes separating fact from opinion, 6 propaganda techniques, and 6 common fallacies in reasoning. Also provided is...

A comprehensive lesson on algebraic thinking where students create and identify patterns using proportional reasoning. Research based, this lesson includes technology connections, items for discussion, and extension activities.

Kids learn the basic rules and strategy of the game of checkers on this site.

A lesson based on the story, "Oliver's Fruit Salad," where students explore the concept of proportional reasoning through modeling, student sharing, and questioning. A great introductory lesson for this concept that is sure to engage...

A quick guide to approaching questions that ask you to find an assumption required by the argument. This question asks you to identify the claim that must be true or is required in order for the argument to work. In other words, there is...