Videos to help you learn math and for math teachers!

Dividing Fractions without the Keep Change Flip Trick
10:54
Dividing Fractions without the Keep Change Flip Trick
How to teach math without telling students everything
1:30
How to teach math without telling students everything
Mental Math & Number Talks Strategies for Division
1:31
Mental Math & Number Talks Strategies for Division
Multiplication mental math strategies with area models
1:41
Multiplication mental math strategies with area models
Mental Math & Number Talks strategies for Addition
1:37
Mental Math & Number Talks strategies for Addition
Mental math strategies for subtraction using a vertical number line
1:18
Mental math strategies for subtraction using a vertical number line
Teaching Integers using a Vertical Number Line
12:37
Teaching Integers using a Vertical Number Line
Number Talks & Mental Math Strategies for Adding, Subtracting, Multiplying, and Dividing
47:44
Number Talks & Mental Math Strategies for Adding, Subtracting, Multiplying, and Dividing
Math Activity for the First Day of School
3:10
Math Activity for the First Day of School
Mental Math Strategies to Build Number Fluency
33:48
Mental Math Strategies to Build Number Fluency
Measuring the circumference of a circular object using a ruler and paper
0:28
Measuring the circumference of a circular object using a ruler and paper
Overview of algebra tiles for multiplying, factoring, and completing the square
3:46
Overview of algebra tiles for multiplying, factoring, and completing the square
Conditional Probability Intro with Explanation of Formula
7:00
Conditional Probability Intro with Explanation of Formula
Geometric Constructions: Copying an Angle
1:10
Geometric Constructions: Copying an Angle
Geometric Constructions: Drawing a Perpendicular Bisector
0:59
Geometric Constructions: Drawing a Perpendicular Bisector
Geometric Constructions: Drawing a Circle with a String
0:31
Geometric Constructions: Drawing a Circle with a String
Volume of a Sphere and How to Derive
1:15
Volume of a Sphere and How to Derive
Inequalities Shading the Graph
12:02
Inequalities Shading the Graph
Distinguishing Linear, Quadratic, and Exponential Functions
8:15
Distinguishing Linear, Quadratic, and Exponential Functions
Quadratic Functions in Standard Form
9:46
Quadratic Functions in Standard Form
Completing the Square and the Quadratic Formula
15:15
Completing the Square and the Quadratic Formula
Graphing Quadratic Functions in Vertex Form
12:43
Graphing Quadratic Functions in Vertex Form
Solving quadratic equations by factoring
9:27
Solving quadratic equations by factoring
How to factor polynomials and trinomials
12:22
How to factor polynomials and trinomials
How to Multiply Polynomials
13:45
How to Multiply Polynomials
Types of Polynomials, Adding, Subtracting, and Distributing
7:39
Types of Polynomials, Adding, Subtracting, and Distributing
Arithmetic and Geometric Sequences
13:28
Arithmetic and Geometric Sequences
Exponential Functions Help
7:49
Exponential Functions Help
Laws of Exponents
8:00
Laws of Exponents
Solving Systems of Equations with Substitution and Elimination
10:10
Solving Systems of Equations with Substitution and Elimination