Fractions

Understand how numerators and denominators form fractions.

Numerator and Denominator

Here’s how to understand the basics of fractions.

Building Blocks of Fractions

Equivalent Fractions

Multiplication

Double Up with Two (2 Times Tables)

Lucky Number Seven (7 Times Tables)

The Sixth Sense (6 Times Tables)

Geometry

Here's how to identify quadrilaterals and classify two special types of quadrilaterals: trapezoids and parallelograms.

Quadrilaterals

Types of Polygons

Learn about pi and the relationship between a circle's diameter and circumference.

Pi is Fly

Graphing

Learn how to plot and name points in all four quadrants of the coordinate plane.

Graphing Ordered Pairs - Part 2

Here's how to graph lines using x- and y-intercepts.

Graphing Lines Using Intercepts

Learn how to identify the four quadrants on a coordinate plane. Also, see which axes are positive and negative in each quadrant.

Graphing Ordered Pairs: Four Quadrants & their Signs

About Numbers

Find out how to calculate a square root, identify a perfect square, and memorize the first 15 perfect squares.

Square Roots

Here's how to define integers and how to identify integers on a number line.

Integers

Here's how to classify numbers within the real number system.

Rational & Irrational Numbers

Real Number System

Simplifying Expressions

Here's how to use the order of operations to simplify expressions correctly.

Order of Operations

Learn how to simplify expressions that contain negative exponents.

Exponent Rules: Negative Exponents

Learn how to identify an expression versus an equation.

Expressions vs. Equations (Quick Review)

Solving Equations and Inequalities

See how to solve a two-step equation using addition and subtraction, and multiplication and division.

Solving Two-Step Equations

See how to solve one-step equations by using addition and subtraction, and then by using multiplication and division.

Solving One-Step Equations

Here's how to solve linear inequalities that contain positive numbers.

Solving Linear Inequalities with Positive Numbers

Solving Linear Inequalities (with Positive Coefficients)

Working with Exponents

Learn how to simplify expressions containing exponents of 0 or 1. Also, check out a proof for exponents of 0.

Exponent Rules: Exponent of 0 or 1

Learn how the Power of 10 can be used to rewrite extremely large and small numbers in scientific notation! Also, see how to convert scientifically notated numbers to their standard form.

Scientific Notation

Learn how to multiply and divide exponents with the same bases, as well as how to raise exponents to powers. Combine all of these exponent rules to simplify expressions.

Exponent Rules: Products, Quotients & Power

Advanced Topics

Learn what a function is and how to identify a function using mapping.

Functions

Learn how to solve systems of equations using graphing.

Solving Systems of Equations by Graphing

Learn about imperfect squares (irrational numbers) and a way to estimate their value.

Imperfect Squares & How to Estimate their Value

Learn how to use the Pythagorean theorem to determine if a triangle is a right triangle, as well as how to find the length of a missing side of a right triangle.

Pythagorean Theorem: How to Apply It

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