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- 8.G.B.6Explain a proof of the Pythagorean Theorem and its converse.
- 8.G.B.7Apply the Pythagorean Theorem to determine unknown side lengths in right triangles in real-world and mathematical problems in two and three dimensions.
- 8.G.B.8Apply the Pythagorean Theorem to find the distance between two points in a coordinate system.

Using the Pythagorean Theorem to Solve by Diagram

8th Grade Math

» Unit:

Pythagorean Theorem

Big Idea:Moving students from hands-on Pythagorean Theorem to drawing diagrams to solve for missing sides continues the concept of why and how the equality works.

Christa Lemily

Suburban Env.

15 Resources

33 Favorites

15 Resources

33 Favorites

Dig In! Day 2

Geometry

» Unit:

Tools of Geometry

Big Idea:What's true about the area and perimeter of our polygons from Part 1? To find out: Dig in!

Beth Menzie

Urban Env.

29 Resources

9 Favorites

29 Resources

9 Favorites

Solving the Pythagorean Theorem By Diagram Completed

8th Grade Math

» Unit:

Pythagorean Theorem

Big Idea:Moving students from hands-on Pythagorean Theorem to drawing diagrams to solve for missing sides continues the concept of why and how the equality works.

Christa Lemily

Suburban Env.

6 Resources

12 Favorites

6 Resources

12 Favorites

Apply the Pythagorean Theorem to a Broken Telephone Pole and an Isosceles Right Triangle.

Algebra I

» Unit:

Radical Expressions, Equations, and Rational Exponents

Big Idea:The purpose of this lesson is to solve a multi-step problem using the Pythagorean Theorem and understand when to apply it.

Rhonda Leichliter

Rural Env.

17 Resources

10 Favorites

17 Resources

10 Favorites

The Pythagorean Theorem and the Distance Formula

Algebra I

» Unit:

Radical Expressions, Equations, and Rational Exponents

Big Idea:The main point of this lesson is for students to recognize the similarities between the Pythagorean Theorem and the Distance Formula.

Rhonda Leichliter

Rural Env.

11 Resources

4 Favorites

11 Resources

4 Favorites

Playing Around with Pythagoras-Day 1

8th Grade Math

» Unit:

Playing Around with Pythagoras

Big Idea:After a brief introduction, students will explore the Pythagorean relationship with color tiles and then apply that understanding by reconstructing a Pythagorean proof.

Heather Sparks

Urban Env.

24 Resources

32 Favorites

24 Resources

32 Favorites

Playing Around with Pythagoras-Day 2

8th Grade Math

» Unit:

Playing Around with Pythagoras

Big Idea:Simple, whole number computations to determine the missing lengths of the hypotenuse of given triangles helps students gain confidence in applying the Pythagorean Theorem.

Heather Sparks

Urban Env.

28 Resources

3 Favorites

28 Resources

3 Favorites

Playing Around with Pythagoras- Day 11

8th Grade Math

» Unit:

Playing Around with Pythagoras

Big Idea:Students get practice applying the Pythagorean Theorem to solve problems in this fast-paced collaborative game.

Heather Sparks

Urban Env.

13 Resources

11 Favorites

13 Resources

11 Favorites

Playing Around with Pythagoras- Day 9

8th Grade Math

» Unit:

Playing Around with Pythagoras

Big Idea:Now that students are developing proficiency with applying the Pythagorean Theorem to solve problems, they are now ready to apply their conceptual knowledge to a coordinate plane.

Heather Sparks

Urban Env.

18 Resources

5 Favorites

18 Resources

5 Favorites

Playing Around with Pythagoras- Day 3

8th Grade Math

» Unit:

Playing Around with Pythagoras

Big Idea:Now that students have practiced finding the length of missing hypotenuse, I introduce triangles with missing legs instead.

Heather Sparks

Urban Env.

18 Resources

2 Favorites

18 Resources

2 Favorites

Playing Around with Pythagoras- Day 4

8th Grade Math

» Unit:

Playing Around with Pythagoras

Big Idea:Students have spent several days applying the Pythagorean Theorem to find the missing sides of right triangles. Today, students are given triangles with all three side lengths given and they must prove whether the triangle is right or not.

Heather Sparks

Urban Env.

18 Resources

2 Favorites

18 Resources

2 Favorites

Playing Around with Pythagoras- Day 10

8th Grade Math

» Unit:

Playing Around with Pythagoras

Big Idea:In this lesson, students are introduced to a real-life application of the Pythagorean Theorem and must use it to justify their decisions.

Heather Sparks

Urban Env.

21 Resources

5 Favorites

21 Resources

5 Favorites

Missing a Leg (Day 1)

8th Grade Math

» Unit:

The Pythagorean Theorem

Big Idea:The Pythagorean equation is skillfully used to find missing sides that are not the hypotenuse.

Mauricio Beltre

Urban Env.

14 Resources

1 Favorite

14 Resources

1 Favorite

Playing Around With Pythagoras- Day 5

8th Grade Math

» Unit:

Playing Around with Pythagoras

Big Idea:Today, students will learn to estimate the lengths of unknown sides of right triangles by using their knowledge of perfect squares.

Heather Sparks

Urban Env.

16 Resources

16 Resources

Playing Around with Pythagoras-Day 6

8th Grade Math

» Unit:

Playing Around with Pythagoras

Big Idea:Building on previously built knowledge of Pythagorean Theorem, students will use a double number line to estimate square roots to the nearest tenth.

Heather Sparks

Urban Env.

19 Resources

1 Favorite

19 Resources

1 Favorite

8.G.B.6

Explain a proof of the Pythagorean Theorem and its converse.

8.G.B.7

Apply the Pythagorean Theorem to determine unknown side lengths in right triangles in real-world and mathematical problems in two and three dimensions.

8.G.B.8

Apply the Pythagorean Theorem to find the distance between two points in a coordinate system.