Pre-algebra videos

Factors and multiples

Prime and composite numbers

Prime factorization

Math patterns

Writing expressions

Number patterns

Intro to ratios

Visualize ratios

Equivalent ratios

Ratio application

Intro to rates

Intro to percents

Visualize percents

Equivalent representations of percent problems

Percent problems

Percent word problems

Meaning of exponents

Powers of whole numbers

Powers of fractions and decimals

Order of operations introduction

More on order of operations

Parts of algebraic expressions

Substitution & evaluating expressions

Evaluating expressions with multiple variables

Expression value intuition

Evaluating expressions word problems

Writing algebraic expressions introduction

Writing basic algebraic expressions word problems

Distributive property with variables

Combining like terms

Equivalent expressions

Algebraic equations basics

One-step equations intuition

One-step addition & subtraction equations

One-step multiplication and division equations

Finding mistakes in one-step equations

One-step equation word problems

Intro to inequalities with variables

Dependent and independent variables

Analyzing relationships between variables

Percent word problems

Rational number word problems

Rate problems with fractions

Constant of proportionality

Compare and interpret constants of proportionality

Identifying proportional relationships

Graphs of proportional relationships

Writing & solving proportions

Equations of proportional relationships

Combining like terms

Interpreting linear expressions

The distributive property & equivalent expressions

Two-step equations intro

Two-step equations with decimals and fractions

Two-step equation word problems

One-step inequalities

Two-step inequalities

Square roots & cube roots

Exponent properties intro

Negative exponents

Exponent properties (integer exponents)

Working with powers of 10

Scientific notation intro

Arithmetic with numbers in scientific notation

Scientific notation word problems

Equations with variables on both sides

Number of solutions to equations

Equations with parentheses

Equations word problems

Graphing proportional relationships

Solutions to linear equations

Intercepts

Slope

Intro to slope-intercept form

Graphing slope-intercept form

Writing slope-intercept equations

Functions

Linear models

Comparing linear functions

Constructing linear models for real-world relationships

Recognizing functions

Linear and nonlinear functions

Systems of equations with graphing

Intro to systems of equations

Solving systems with substitution