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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.

Introduction to Pythagorean Theorem

8th Grade Math

Â» Unit:

Pythagorean Theorem

Big Idea:Hands-on manipulatives help students to prove how, why, and when the Pythagorean Theorem shows relationships within triangles.

Playing Around with Pythagoras-Day 1

8th Grade Math

Â» 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.

Playing Around with Pythagoras-Day 2

8th Grade Math

Â» 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.

Playing Around with Pythagoras- Day 11

8th Grade Math

Â» Unit:

Playing Around with Pythagoras

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

Playing Around with Pythagoras- Day 3

8th Grade Math

Â» 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.

Playing Around with Pythagoras- Day 4

8th Grade Math

Â» 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.

Day Four & Five

8th Grade Math

Â» Unit:

Welcome Back!

Big Idea:To help guide instruction for the year and establish a baseline for quarterly benchmark assessments, students will take a benchmark test aligned to the CCSS.

A thought is an idea in transit

8th Grade Math

Â» Unit:

The Pythagorean Theorem

Big Idea:An introduction to what some say is the most important theorem in all of mathematics.

The Pythagorean Theorem

Geometry

Â» Unit:

The Pythagorean Theorem

Big Idea:Students will apply their understanding of area to prove the Pythagorean Theorem.

Pythagorean Theorem Converse

8th Grade Math

Â» Unit:

The Pythagorean Theorem

Big Idea:Students use Geogebra to explore and find if given side lengths form right triangles or not.

Playing Around with Pythagoras- Day 12

8th Grade Math

Â» Unit:

Playing Around with Pythagoras

Big Idea:Today, the students take a formative assessment that includes finding the missing sides of triangles, estimating non-perfect square roots, applying the Pythagorean Theorem to real world problems, and using it to find distance between two points on a coordi

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.