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Welcome to Geometry!

Week 1: Geometry 8th Grade Online Course 

Week 1 Geometry Live Lesson

Introduction to Geometry 

Week 1 Quiz

Download this and print if you don't have a protractor. 

Lesson 3: Measuring Angles with a Protractor

Angle practice

9/8/25

9/10/25

Angle Relationships

Week 2 Quiz

Week 2:

Triangle Angle Sum
Objective: Use the Triangle Sum Theorem to find missing angles (the three interior angles of any triangle add to 180°).


9/15/25

Vocabulary & Academic Language — Triangle Angle Sum

Triangle Sum Practice

9/17/25

Week 3: Triangle Angle Sum

9/22/25

Special Triangles

9/24/25

Mini Lesson: Square Roots

Practice: 20 Common Square Root Problems

Week 4: Special Triangles

9/29/25

10/1/25

Understanding and Practicing Square Roots

Math Warm-Up Games

Square Root Practice 

Week 5: Square Roots 

10/15/25

Square Roots Review

10/22/25

Week 6: 

10/27/25

10/279/25

The Pythagorean Theorem and Special Triangles

Missing Hypotenuse Practice

Missing Leg Practice

Week 7

11/3/25

11/5/25

Week 8

11/12/25

8th Grade Pythagorean Theorem Test

11/17/25

11/19/25

Warm Up

Pythagorean Triple

Practice 

Week 9

12/1/25

12/3/25

Understanding the Distance Formula Through Right Triangles

How to Find the Distance Between Two Points

Finding the Distance Between Two Points 

Unlock Atlantis — Geometry Cipher Quest

Week 11:

12/8/25

12/10/25

Week 12

12/15/25

12/17/25

Understanding Circles

Vocabulary  Practice

Practice Math

Week 13

1/5/26

1/7/26

Approximating with π

Circumference & Arc Length

Why Do We Use θ (Theta) for Angles?

Week 14

1/12/26

1/14/26

Practice Exact and Approximate Circumference & Arc

Practice 2

Practice 3

Area of Sectors

Reducing Fraction Practice

Area of Sectors — Student Workbook Page

Week 15

1/19/26

1/21/26

Area of a Section Practice

Week 16

1/26/26

1/28/26

Volume of Prisms & Cylinders

Prisms & Cylinders Practice1

Prisms & Cylinders Practice 2

Prisms & Cylinders Practice 3

Week 17

2/2/26

2/4/26

Week 18

2/9/26

Review Practice

2/11/26

Week 19

2/16/26

2/18/26

Vocabulary for Volume of Cones

Volume of Cones

Level 1 Practice

Level 2 Practice 

Level 3 Practice

Week 20

2/23/28

2/25/26

Week 21

Pre-Reading Vocabulary

Volume of Spheres

Level 2 Practice

Week 22:  Volume of Spheres

What Is a Coordinate Plane?

Guided Example: Plotting Points with Positive and Negative Coordinates

Practice 1

Review of the Coordinate Plane

The Distance Formula

Distrance Formula Practice

Week 23

Geometry 8th Grade Online Course 

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Geometry 8th Grade Online Course

Debra Shepherd

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