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Finding the Missing Length of the Right Triangle and Determining if a Right Triangle
In this Pythagorean theorem activity, students determine if the six sets of given lengths form right triangles. Next. students find the missing length for sixteen right triangles. The solutions are provided.
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Special Relationships Within Right Triangles—Dividing into Two Similar Sub-Triangles
Why are right triangles so special? Pupils begin their study of right triangles by examining similar right triangles. Verifying through proofs, scholars recognize the three similar right triangles formed by drawing the altitude. Once...
9th - 10th Math CCSS: Designed
Module 5: Modeling with Geometry
Solids come in many shapes and sizes. Using geometry, scholars create two-dimensional cross-sections of various three-dimensional objects. They develop the lesson further by finding the volume of solids. The module then shifts to finding...
9th - 12th Math CCSS: Designed
Wheel of Theodorus Extra Credit Project
Think it's possible to make a wheel out of triangles? According to this geometry project it is. Using their knowledge of the Pythagorean Theorem, young mathematicians carefully calculate and draw a series of right triangles that form...
7th - 8th Math CCSS: Adaptable
New Review The Converse of the Pythagorean Theorem
Is it a right triangle or not? Introduce scholars to the converse of the Pythagorean Theorem with a lesson that also provides a proof by contradiction of the converse. Pupils use the converse to determine whether triangles with given...
8th Math CCSS: Designed
What are the Legs and Hypotenuse of a Right Triangle?
What are all the parts of a right triangle called? What makes it a right triangle? Legs? Triangles have legs? Hypotenuse? Pythagorean Theorem? The instructor diagrams and identifies all the parts of a right triangle for you.
2 mins 6th - 10th Math