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Geometry

(9 Units, 53 Lessons)

Unit 9 - Similar and Right Triangles(8 Lessons)

Introduction to Similar Right Triangles

Geometry

» Unit:

Similar and Right Triangles

Big Idea:Students investigate the three similar right triangles created by the altitude to the hypotenuse of a right triangle.

19 Resources

12 Favorites

19 Resources

12 Favorites

Prove It (Part 1)

Geometry

» Unit:

Similar and Right Triangles

Big Idea:Students work on proving hypotheses – and end up proving the Pythagorean Theorem.

11 Resources

1 Favorites

11 Resources

1 Favorites

Prove It (Part 2)

Geometry

» Unit:

Similar and Right Triangles

Big Idea:Students work on proving hypotheses – and end up proving the Pythagorean Theorem.

12 Resources

3 Favorites

12 Resources

3 Favorites

Using the Pythagorean Theorem

Geometry

» Unit:

Similar and Right Triangles

Big Idea:Students practice finding lengths of segments using the Pythagorean Theorem, with an eye toward discovering common Pythagorean triplets.

10 Resources

8 Favorites

10 Resources

8 Favorites

Special Right Triangles

Geometry

» Unit:

Similar and Right Triangles

Big Idea:Students use the results of the previous lesson to investigate common Pythagorean triples.

15 Resources

5 Favorites

15 Resources

5 Favorites

30, 60, 90 Triangles

Geometry

» Unit:

Similar and Right Triangles

Big Idea:Students discover the patterns involved in a 30-60-90 triangle.

12 Resources

6 Favorites

12 Resources

6 Favorites

Isosceles Right Triangles

Geometry

» Unit:

Similar and Right Triangles

Big Idea:Students discover the ratio of the sides of all 45-45-90 degree triangles, and then practice working with all of the special right triangles.

10 Resources

1 Favorites

10 Resources

1 Favorites

Special Right Triangles Puzzle Activity

Geometry

» Unit:

Similar and Right Triangles

Big Idea:Putting together puzzles is an engaging way for students to review their knowledge of special right triangles.

11 Resources

72 Favorites

11 Resources

72 Favorites