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# Free math video lessons for 6th grade

## Chapter 1: Review of the Basic Operations

## Chapter 2: Expressions and Equations

## Chapter 3: Decimals

## Chapter 4: Ratios

## Chapter 5: Percent

## Chapter 6: Prime factorization, GCF and LCM

## Chapter 7: Fractions

## Chapter 8: Integers

## Chapter 9: Geometry

## Chapter 10: Statistics

This is a collection of free math videos for 6th grade, showing varied exercises for each topic. They match Math Mammoth Grade 6 curriculum but will also work no matter which curriculum you follow (in other words, the videos don't rely on you having Math Mammoth curriculum).

These videos are usable for students, teachers, and parents. You can use them...

- To learn these topics yourself (if you're a student for example, or an adult needing a refresher)
- As lesson plans for teaching these topics. Often, one video from below can be made into several lessons with students.

Please choose a topic from the list.

Expressions, Part 1 – What are expressions and how to evaluate them

Terminology for the Four Operations and writing algebraic expressions from words

Words and Expressions – write expressions from word phrases

Writing and Simplifying Expressions 1: length and perimeter

Writing and Simplifying Expressions 2: area

Multiplying and Dividing in Parts

The Distributive Property Part 1

The Distributive Property, part 2: factoring linear Expressions

Equations (an introduction)

Using Two Variables – an introduction to equations with two variables

Review: Multiplying Decimals by Decimals

Review: Long division with decimals

Fractions and Decimals – how to convert fractions to decimals

Review: Divide Decimals by Decimals

Convert Metric Measuring Units

Convert Customary Measuring Units

Convert Between Customary and Metric

Word Problems Involving Unit Rates, Part 2

Equivalent Rates — using equivalent rates to solve problems, and also graphing them (2 videos)

Ratio Problems and Bar Models (two videos)

Using Ratios to Convert Measurement Units

Percentage of a Number (Mental Math)

Percent of a Number: Using Decimals

The Sieve of Eratosthenes and Prime factorization, Part 1 (for finding primes)

The Greatest Common Factor (GCF)

The Least Common Multiple (LCM)

Using Factoring When Simplifying Fractions

Review: Add and Subtract Fractions and Mixed Numbers

Multiplying Mixed Numbers, Part 1

Multipling Mixed Number, Part 2 – simplifying before multiplying

Dividing Fractions: Reciprocal Numbers

Problem Solving with Fractions

The Coordinate Grid Practice – word problems and applications

Addition and Subtraction as Movements (on the number line)

Subtracting a Negative Integer

Quadrilaterals Review — a video from 5th grade; you can use it as a review of quadrilaterals

Area of Shapes Not Drawn on Grid

Volume of a Rectangular Prism with Sides of Fractional Length