Pythagorean Theorem Without Words
Based on a problem in Exeter Math 2 A 5 x 5 square and a 3 × 3 square can be cut into pieces that will ﬁt together to form a third square. How does this prove the Pythagorean Theorem.
Exeter Point as Focus of Inscribed Parabola
CWIC Kinkaid Trial
Tangent Line Approximation
less.2 reflections # 11
A pattern of Cuisenaire Rods, adapted from Duane Habecker's app
Half-Plane Model for Hyperbolic Space
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