Geometry

Making Peace with the Basics of Trigonometry

Making Peace with the Basics of Trigonometry

Six months ago, I hated trigonometry. By Becca Phillips In fact, when my daughter missed a week of school, she announced on her first day back, “Someone has to teach me trig because I missed the whole thing.” Her father jumped in, “That’ll be me. Your mother hates...

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Presenting IM Algebra 1, Geometry, Algebra 2

Presenting IM Algebra 1, Geometry, Algebra 2

By Kate Nowak When I was teaching high school mathematics, my local colleagues and I spent a whole lot of time creating problem-based lessons. We were convinced that this style of instruction was a good way to learn, but the textbooks in use at our school simply...

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Proof in IM’s High School Geometry (A Sneak Preview)

Proof in IM’s High School Geometry (A Sneak Preview)

Supporting high-school students to write detailed, precise proofs is challenging. Learn about some of the design elements that IM used to invite students to a deep exploration of proof. In IM’s high school Geometry curriculum, students are asked to engage in the proof...

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