High schoolers participate in an activity known as toothpick geometry. Individually, they form different shapes by moving toothpicks into the correct formation. They complete a worksheet and review their answers with the class to end the lesson.
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Congruence, Proof, and Constructions
This amazingly extensive unit covers a wealth of geometric ground, ranging from constructions to angle properties, triangle theorems, rigid transformations, and fundamentals of formal proofs. Each of the almost-forty lessons is broken...
8th - 10th Math CCSS: Designed
Teaching Problem Solving Strategies in the 5-12 Curriculum
Address any kind of math concept or problem with a series of problem-solving strategies. Over 12 days of different activities and increasing skills, learners practice different ways to solve problems, check their answers, and reflect...
5th - 12th Math
A Piece of Pi: An Investigation into Geometric Probablity and Pi
Tenth graders investigate pi. In this Geometry instructional activity, 10th graders explore the historical development of and analyze properties of pi. Students view a clip for a NUMB3ERS episode where Charlie is shown simulations...