^

# Free math video lessons for 8th grade

This is a collection of free math videos for 8th grade topics. This is currently a mixture of my own videos and videos from Khan Academy. We are working on making many more videos (fall 2024)! The videos are matched to the topics in Math Mammoth Grade 8 curriculum. The videos from Khan Academy are not an exact match with the curriculum, but are better than nothing. I just want to list them to help my users in the interim.

## Chapter 1

The Order of Operations (review from 7th grade)

Powers with Negative Bases

Laws of Exponents, part 1 — product and quotient of powers with the same base

Zero and Negative Exponents

More on Negative Exponents

Laws of Exponents, Part 2 — power of a power

Laws of Exponents, Part 3 — recap of exponent laws

Scientific Notation: Large Numbers

Scientific Notation: Small Numbers
Scientific notation

Using Scientific Notation in Calculations, Part 1
Multiplying and dividing in scientific notation
Calculating red blood cells in the body using scientific notation
Scientific notation 3

Using Scientific Notation in Calculations, Part 2
Subtracting in scientific notation

## Chapter 2

Geometric Transformations and Congruence, Part 1
Introduction to transformations
Identifying transformations

Geometric Transformations and Congruence, Part 2
Finding measures using rigid transformations
Rigid transformations, preserved properties

Translations in the Coordinate Grid
Translating points
Drawing image of translation

Reflections in the Coordinate Grid
Reflecting points
Reflecting shapes
Determining reflections

Translations and Reflections
(none)

Rotations in the Coordinate Grid
Rotating points
Defining rotation: example

Sequences of Transformations
Mapping shapes

Describing a sequence of transformations that shows figures are congruent (Skarinsensei on YT)

Sequences of Transformations, Part 2
Testing congruence by transformations: example

Dilations
Dilations intro
Dilations and properties

Dilations in the Coordinate Grid
Dilating points example
Scaling down a triangle by half

Similar Figures, Part 1
Testing similarity through transformations

Similar Figures, Part 2

Similar Figures: More Practice

Review: Angle Relationships
Angle relationships and unknown angle problems

Corresponding Angles
Angles, parallel lines, & transversals

More Angle Relationships with Parallel Lines
Alternate Interior and Alternate Exterior Angles (YT) by Mrs. Kibler

The Angle Sum of a Triangle
Angles in a triangle add up to 180 degrees
Isosceles & equilateral triangles problems

Exterior Angles of a Triangle
Triangle: exterior angles

Angles in Similar Triangles, Part 1

Angles in Similar Triangles, Part 2

Volume of Prisms and Cylinders

Volume of Pyramids and Cones
Volume of a cone: example

Volume of Spheres
Volume of a sphere

Volume Problems

WAIT!

Receive my monthly collection of math tips & resources directly in your inbox — and get a FREE Math Mammoth book!

We respect your email privacy.
You can unsubscribe at any time.

### Math Mammoth Tour

Confused about the different options? Take a virtual email tour around Math Mammoth! You'll receive:

An initial email to download your GIFT of over 400 free worksheets and sample pages from my books. Six other "TOURSTOP" emails that explain the important things and commonly asked questions concerning Math Mammoth curriculum. (Find out the differences between all these different-colored series!)

This way, you'll have time to digest the information over one or two weeks, plus an opportunity to ask me personally about the curriculum.
A monthly collection of math teaching tips & Math Mammoth updates (unsubscribe any time)
We respect your email privacy.

Note: You will FIRST get an email that asks you to confirm your email address. If you cannot find this confirmation email, please check your SPAM/JUNK folder.

### "Mini" Math Teaching Course

This is a little "virtual" 2-week course, where you will receive emails on important topics on teaching math, including:

- How to help a student who is behind
- Troubles with word problems
- Teaching multiplication tables
- Why fractions are so difficult
- The value of mistakes
- Should you use timed tests
- And more!

You will also receive:

A GIFT of over 400 free worksheets and sample pages from my books right in the very beginning. A monthly collection of math teaching tips & Math Mammoth updates (unsubscribe any time)
We respect your email privacy.

Note: You will FIRST get an email that asks you to confirm your email address. If you cannot find this confirmation email, please check your SPAM/JUNK folder.

### Maria's Math Tips

Enter your email to receive math teaching tips, resources, Math Mammoth news & sales, humor, and more! I tend to send out these tips about once monthly, near the beginning of the month, but occasionally you may hear from me twice per month (and sometimes less often).

You will also receive:

• A GIFT of over 400 free worksheets and sample pages from my books.
We respect your email privacy.