8.G.B.8

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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.

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## 8.G.B.8

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

18 Lesson(s)

### The Pythagorean Theorem and the Distance Formula

Algebra I »
Unit: Radical Expressions, Equations, and Rational Exponents

Algebra I »
Unit: Radical Expressions, Equations, and Rational Exponents

### Playing Around with Pythagoras- Day 11

8th Grade Math »
Unit: Playing Around with Pythagoras

8th Grade Math »
Unit: Playing Around with Pythagoras

### Unit Assessment

8th Grade Math »
Unit: Pythagorean Theorem

8th Grade Math »
Unit: Pythagorean Theorem

Big Idea:

#### Crafting standards based assessments requires carefully tying each question to a particular standard in order to gauge mastery levels.

Standards:

8.G.B
8.G.B.8

Favorites
(6)

Resources
(10)

### Playing Around with Pythagoras- Day 9

8th Grade Math »
Unit: Playing Around with Pythagoras

8th Grade Math »
Unit: Playing Around with Pythagoras

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.

Standards:

Favorites
(14)

Resources
(8)

Reflections
(1)

### The Basics of Coordinate Geometry

Geometry »
Unit: Coordinate Geometry

Geometry »
Unit: Coordinate Geometry

### Introducing Distance on the Coordinate Plane with Geo-Bands

8th Grade Math »
Unit: Pythagorean Theorem

8th Grade Math »
Unit: Pythagorean Theorem

### Analyzing Distance Algebraically

8th Grade Math »
Unit: Pythagorean Theorem

8th Grade Math »
Unit: Pythagorean Theorem

### Applying Distance to Perimeter and Area on Coordinate Plane

8th Grade Math »
Unit: Pythagorean Theorem

8th Grade Math »
Unit: Pythagorean Theorem

### Playing Around with Pythagoras- Day 12

8th Grade Math »
Unit: Playing Around with Pythagoras

8th Grade Math »
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

Favorites
(1)

Resources
(16)

Reflections
(1)

### Draw a Right triangle! You can´t go wrong.

8th Grade Math »
Unit: The Pythagorean Theorem

8th Grade Math »
Unit: The Pythagorean Theorem

### Distance in Geometry

Geometry »
Unit: The Pythagorean Theorem

Geometry »
Unit: The Pythagorean Theorem

Big Idea:

#### Understanding why the distance formula works with respect to the "change in x or y," enables students to solve novel problems requiring the measurement of distance.

Standards:

Favorites
(4)

Resources
(14)

Reflections
(1)

### Distances in the Coordinate Plane

Geometry »
Unit: Geometry Foundations

Geometry »
Unit: Geometry Foundations

Big Idea:

#### May the formula be with you. In this lesson students wield the power of the distance formula.

Standards:

Favorites
(35)

Resources
(15)

Reflections
(1)

### The Pythagorean Theorem in Circles

Geometry »
Unit: The Pythagorean Theorem

Geometry »
Unit: The Pythagorean Theorem

### Round Robin Review (Unit 9/L1-7)

8th Grade Math »
Unit: The Pythagorean Theorem

8th Grade Math »
Unit: The Pythagorean Theorem

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