"Fundamentals," the first lesson in a series of eight, introduces the basic concepts and strategies covered in a series of resources designed to teach high schoolers critical thinking skills. The worksheets and activities in this first...

Analyzing arguments is key to critical thinking. Colorful slides teach viewers how to recognize the structure of an argument, the claims, and the validity of the evidence used to support an argument. Then, provided scenarios permit...

Responsible decision making relies on the ability to a recognize, analyze, and evaluate claims. The worksheets and activities in this 32-page packet teach learners how to distinguish among opinions, reasoned arguments, facts, and logical...

An informative one-page resource details the 16 Habits of Mind. Habits encourage positive problem-solving, self-awareness, creativity, and dedication—lifelong skills that can be used in both academic and social settings. 

"Equal pay for equal work!" may sound logical but it is not the reality. High schoolers begin a study of the gender wage gap with an activity that asks them to position themselves along a line that indicates whether they strongly agree...

Students examine the relationships between plants, animals, and the environment in ecosystems. They sort animal cards, collect natural materials from the schoolyard, and record an ecosystem web in the form of a poster.