Subject Area Archive

Videos about Math

311 videos

A person with purple hair and another with red hair stand against a green screen with white lab coats
The Algebra Song
A girl works on math for a shopping list
Shopping with Decimals
A boy shows how to use multiplication on a shopping list
Multiplying Whole Numbers and Decimals
A student works on math problems at a whiteboard
Dividing Mixed Numbers
A
Turning Division Quotients Into Decimals
A caped girl works on math at a whiteboard
Division Girl
Drawing a box to work on division problems
Subtraction With The Box Method
How to Solve an Equation in Quadratic Form.
How to Solve an Equation in Quadratic Form
Learn a song for memorizing pi.
A Song for Memorizing Pi
Learn about stretching and shrinking functions.
Stretching and Shrinking Functions
Learn about the unit circle using spaghetti.
Unraveling the Unit Circle Using Spaghetti
Learn about the unit circle.
The Unit Circle
Learn how to solve exponential equations.
Solving Exponential Equations (short version)
Learn about angles of depression and elevation.
Angles of Depression and Elevation
Learn about graphing an ellipse.
An Example of Graphing an Ellipse
Learn about hyperbole.
Hyperbole
Learn how to create a Pythagorean spiral.
How to Create a Pythagorean Spiral
Learn how to find the standard deviation.
How to Find the Standard Deviation
Learn about binary numbers.
Binary 101
Learn how to add and subtract negative numbers.
How to Add and Subtract Negative Numbers
Learn about rules for divisibility.
Divisibility Rules
Learn about multiplying integers.
Multiplying Integers (2016)
Learn how to do a factor tree.
How to Do a Factor Tree
Learn about subtracting numbers from ten, using fingers.
Subtracting Numbers from Ten Using Fingers
Learn how to find the least common multiple of the numbers 9 and 12.
Finding the LCM of 9 and 12
Learn about the three basic trigonometric functions.
Three Trigonometric Functions
Learn about pi.
Pi Day
Learn how to simplify radicals.
How to Simplify Radicals
Learn about the Pythagorean theorem.
Completing the Square (2016)
Learn about the Pythagorean theorem.
Don’t Fret: The Pythagorean Theorem
Learn about punnett squares.
Simplifying an Algebraic Expression with Negative Exponents
Learn about synthetic division.
Synthetic Division
Learn to graph asymptotes.
Graphing Asymptotes
Learn about cubes.
What Are Cubes?
Learn about colorful arithmetic and geometric sequences.
Colorful Arithmetic and Geometric Sequences
Learn how to put a fraction on a number line.
Put a Fraction on a Number Line
Learn how to multiply 9s from 1 to 10.
How to Multiply 9s from 1 to 10
See how geometry can be the basis for art.
Geometry Art
Learn about multiplying 2-digit numbers by 1-digit numbers.
Steps for Multiplying 2-Digit Numbers by 1-Digit Numbers
Learn about finding reciprocals.
Finding Reciprocals
Learn about long division.
A Long Division Example
Learn about adding decimals.
An Example with Adding Decimals
Learn about dividing fractions.
Two Examples of Dividing Fractions
Learn about steps for dividing fractions.
Steps for Dividing Fractions
Learn about finding numbers on a number line.
Finding Numbers on a Number Line
Learn about multiplying decimals.
An Example of Multiplying Decimals
Learn about a Chinese method for multiplying.
Chinese Math and Multiplication
Learn about probability.
Probability
Learn about multiplying using an array.
Multiply with an Array
Learn about how to make a half.
Cookie Trouble (Halves from a Whole)
Learn how to count by tens.
Counting by 10s
Learn to classify shapes.
Classifying Shapes
Learn to average decimals.
Averaging Decimals
Learn to convert time and metric units.
Converting Time and Metric Units
Learn to compare decimals.
Compare Decimals
Learn to read the numbers from 1 to 10.
Counting from 1 to 10
Learn about mathematical transformation.
Transformation Concepts
Learn about partial products from Jaylen.
Jaylen’s Partial Products
Learn about using your fingers to multiply by nine.
Multiplying with Your Fingers: The 9s
Learn about PEMDAS.
Math Mountains
Evens and Odds: One Way to Remember Them.
Evens and Odds: One Way to Remember Them
Learn about Making a Ten.
Making a Ten
Learn about What PEMDAS Stands For.
What PEMDAS Stands For
Learn about How to Teach Subtraction.
How to Teach Subtraction
Review fractions through rap.
Fractions Review Rap
Learn about Subtracting Fractions - Even a Dog Can Do It.
Subtracting Fractions – Even a Dog Can Do It
Learn about Subtracting Negatives.
Subtracting Negatives
Learn about How to Show Your Work.
How to Show Your Work
Learn about Coplanar and Noncoplanar.
Coplanar and Noncoplanar
Learn about Monkeying Around with Multiplication.
Monkeying Around with Multiplication
Learn about Sharing Equally: A Division Word Problem
Sharing Equally: A Division Word Problem
Learn about Triangle Rectangle Square.
Triangle Rectangle Square
Learn about Equal Area.
Equal Area
Learn about Development of the Cube.
Development of the Cube
Learn about What Is Multiplication.
What Is Multiplication
Learn about Division by 3
Division by 3
Learn about Fibonacci on the Floor .
Fibonacci on the Floor
Learn about How to Use Exponents.
How to Use Exponents
Learn about PEMDAS.
PEMDAS: The Rap
Learn about congruent triangles.
Congruent Triangles
Learn about how many options lead to many sandwich possibilities.
Counting Principle and Sandwich Possibilities
Learn about solid figures in geometry.
Solid Figures
Learn the vocabulary of math.
Math Vocabulary Rap
Learn how to divide fractions.
Dividing Fractions (2)
Learn how to understand symmetry.
How to Understand Symmetry
Learn about the difference between concave and convex polygons.
The Difference Between Concave and Convex
Learn about long division.
Long Division with Math Helpers
Learn how to multiply by nines.
How to Multiply by Nines
Learn about the lattice method.
How to do the Lattice Method of Multiplication
Learn about PEMDAS.
PEMDAS – It’s Easy!
Learn about the twelve times tables.
Twelve Times Table
Learn about the eight times tables
Eight Times Table
Learn about adding decimals.
Adding Decimals the EZ Way
Learn about adding 9 to 9.
9 plus 9
Learn about multiplying by three digit numbers.
Multiplying by Three Digit Numbers
Learn about square roots and perfect squares.
The Power Power
Learn about quadratic graphs.
Quadratic Graphs
Learn how to tie short hair.
Area of a Triangle
Learn about multiplying by the number one.
Multiplying by One
Learn about the vector addition law.
Lord of the Rings/ Vector Addition Law
Learn one way to tie a tie, perhaps not the traditional way.
Ice Cream Combinations
Learn how about lateral area, surface area, and volume.
Lateral Area, Surface Area, and Volume
Learn how to round whole numbers.
How to Round Whole Numbers
Learn about the nines table.
The Nines Table
Learn how to combine integers.
Combining Integers
Learn about the economic principal of Factors of Production.
Factors of Production
Learn about the principal of the Price Elasticity.
Price Elasticity
Learn about the economics Law of Diminishing Marginal Returns.
Law of Diminishing Marginal Returns
Learn how to make a 3D fractal card.
Make a 3D Fractal Card
Learn about principals of probability in the example of vocabulary lottery .
Vocab Lottery Probability
Learn applications of vectors in dodgeball.
The Applications of Vectors in Dodgeball
Learn how a reflecting telescope works.
How a Reflecting Telescope Works
Learn how to make a hexaflexagon.
How to Make a Hexaflexagon
Learn how to calculate probability .
Traffic Flow: Probability and Missing Red Lights
Learn how to solve a hard math problem.
How to Solve a Hard Math Problem
Learn how to find the mean, median and mode.
Mean Median Mode
Learn how to find the mean.
Finding the Mean
Learn how to transform quadratic functions.
Transforming Quadratic Functions
Learn how to find zeros of a quadratic function.
Finding Zeros of a Quadratic Function
Learn about misleading graphs.
Misleading Graphs
Learn how remember what PEMDAS means.
Remembering What PEMDAS Means
Learn how to find the minimum and the maximum of a quadratic function.
Minimum and Maximum of a Quadratic Function
Learn how to make an avatar.
Solving Proportions
Learn how to graph quadratic functions.
Quadratic Functions
Learn about the Chain Rule.
The Chain Rule in Calculus
Learn about the Power Rule in Calculus.
The Power Rule in Calculus
Learn about constructing circumcenters.
Constructing Circumcenters
Learn about the Pythagoras Theorem.
Pythagoras Applied
Learn a trick for multiplying by 11.
Multiply by 11
Learn about adding and subtracting integers.
Adding and Subtracting Integers
Learn how to divide mixed numbers.
Dividing Mixed Numbers
Learn about circles.
Circles
Learn about collecting like terms.
Collecting Like Terms
Learn about metric conversions.
Metric Conversions
Learn about probability.
Probability
Learn a distance and time problem.
Multiplying 2 Digit Numbers Mentally
Learn a distance and time problem.
A Distance and Time Problem Example
Learn multiplication.
Multiplication Examples
Learn how to use PEMDAS for order of operations in math.
PEMDAS
Learn multiplication tips.
Multiplication (Finger) Tips
Learn an example of how to do a multi-step equation.
Example of Solving a Simple Multi-Step Equation
Learn about GEMDAS.
GEMDAS
Learn how to use a number line.
How to Use a Number Line
Learn about subtraction.
Subtraction
Learn about multiplication.
Multiplication
Learn about the Pythagorean Theorem.
Understanding the Pythagorean Theorem
Learn about addition.
What is Addition?
Learn about squares.
What is a Square?
Learn how to divide fractions.
Dividing Fractions
Learn about the equal sign.
The Equal Sign
Learn how to count to ten.
Count to Ten
Learn the steps in long division.
Steps in Long Division
Learn how to find the area of a trapezoid.
How to Find the Area of a Trapezoid
Learn about math when playing on the water.
The Coordinate Plane
Learn about dealing with zero in the denominator.
Zero in the Denominator
Learn about factoring quadratic polynomials.
Factoring Quadratic Polynomials
Learn about math when playing on the water.
Mathboarding
Learn about mixed numbers.
Mixed Numbers
Learn how to make equivalent fractions.
How to make equivalent fractions
Learn how about equivalent fractions.
Equivalent Fractions
Learn how to memorize the Quadratic Formula.
Memorizing the Quadratic Formula
Learn how to find the rate (distance/time) of an object.
Finding Rate (Distance/Time)
Learn how to find sine cosine and tangent.
SOH CAH TOA
Learn how to copy a polygon.
How to Copy a Polygon
Learn the 2-5 times table.
2-5 Times Tables
Learn how to add fractions.
How to Add Fractions
Learn how to multiply by nine.
How to Mulitply By Nine
Learn how the Ancient Egyptians did multiplication.
How the Ancient Egyptians Did Multiplication
Learn how to use an abacus.
How to Use an Abacus
Learn about the hypotenuse of a right angle triangle.
Hypotenuse
Learn how to identify odd and even numbers.
Odd and Even Numbers
Learn how to recognize patterns.
Recognizing Patterns
Learn how to find the LCM and GCF.
How to Find the LCM and GCF
Learn how to subtract single and double digits.
Subtracting Single and Double Digit Numbers
Learn how to find the slope of a line.
How to Find the Slope of a Line
Learn how to multiply with Exponents.
Multiplying with Exponents
Learn how to multiply positive and negative numbers.
Multiplying Positive and Negative Numbers
Learn how to write an equation.
Multiplying Fractions (2)
Learn how to simplify an expression.
How to Simplify an Expression
Learn how to graph an ordered pair.
Graphing Ordered Pairs
Learn how to use GEMDAS in an equation
GEMDAS (Grouping, Exponents, Multiplication, Divison, Addition & Subtraction)
Learn how to graph an equation.
How to Graph an Equation
Learn how to solve distributive property equations.
Distributive Property Equations (2)
Learn how to solve distributive property equations.
Distributive Property Equations
Learn how to convert improper fractions to mixed numbers.
Converting Improper Fractions to Mixed Numbers
Learn how to convert mixed numbers to improper fractions.
Converting Mixed Numbers to Improper Fractions
Learn how to add fractions.
Adding Fractions (3)
Learn how to add fractions.
Adding Fractions (2)
Learn how to add decimals.
Adding Decimals (2)
Learn about the FOIL method.
FOIL Time
Learn about right angles.
The Right Angle
Learn about figuring the rate or work.
Rate of Work
Learn about multiplying by zero.
Multiplying by Zero
Learn how to count by nines.
Counting By Nines
Learn how to find the area of a garden.
How to Find the Area of a Garden
Learn how to count in binary.
Count In Binary
Learn about column addition.
Column Addition
Learn about the grid method of multiplication.
Grid Method
Learn about remainders.
Remainders
Learn about PEMDAS.
PEMDAS
Learn about the multiplication table.
Multiplication Table
Learn about the different types of angles.
Types of Angles
Learn about multiplying large numbers.
Multiplying Large Numbers
Learn about measuring an irregular distance.
Measuring an Irregular Distance
Learn about the union of sets.
The Union of Sets
Learn about the exponent zero.
The Exponent Zero
Learn about subtracting in word problems.
Subtracting in Word Problems
Learn about the squeeze theorem.
Squeeze Theorem
Learn about the slope intercept formula.
Slope Intercept Formula
Learn about right angles.
Right Angles
Learn about rewriting negative exponents.
Rewriting Negative Exponents
Learn about relating pennies to nickels dimes and quarters.
Relating Pennies to Nickels, Dimes, and Quarters
Learn about problem solving strategies.
Problem Solving Strategies
Learn about prime numbers through a song.
Prime Numbers Song
Learn about ordering fractions and decimals (part 2).
Ordering Fractions and Decimals (2)
Learn about ordering fractions and decimals (part 1).
Ordering Fractions and Decimals (1)
Learn about number system relationships.
Number System Relationships
Learn about multiplication tables.
Multiplication Tables
Learn about math in the kitchen.
Math in the Kitchen
Learn about math in sports.
Math in Sports
Learn about kurtosis.
Kurtosis
Learn about independent and dependent events.
Independent and Dependent Events
Learn about image keys for pictographs.
Image Keys for Pictographs
Learn about holes in rational equations.
Holes in Rational Equations
Learn about fraction terms.
Fraction Terms
Learn about finding the reciprocal.
Finding the Reciprocal
Learn about the equals sign.
The Equals Sign
Learn about finding the lowest common denominator.
Finding the Lowest Common Denominator
Learn about finding the dot product.
Finding the Dot Product
Learn about evaluating a function for a variable.
Evaluating a Function for a Variable
Learn about estimating volume with cubes.
Estimating Volume with Cubes
Learn about degree in polynomials.
Degree in Polynomials
Learn about constants.
Constants
Learn about comparing large numbers.
Comparing Large Numbers
Learn about common angle measures.
Common Angle Measures
Learn about changing units through differentiation.
Changing Units through Differentiation
Learn about binary code.
Binary Code
Learn about applications of combinations.
Applications of Combinations
Learn about adding one-digit numbers.
Adding One-Digit Numbers
Learn the shortcut to approximating area!
Estimating Surface Area
What are odd numbers, and how do you identify one?
Odd Numbers
What are symbols?
Concept of Symbols
How many permutations are there of the keys on a piano keyboard?
Permutations with Repetition
Do you know when you see key words in a math problem?
Key Words
Can you graph a line if you know two points?
Practice Graphing Lines
You have two matrices - can you multiply them together, or not?
Multiplying Two Small Matrices
You have the length of three sides - can they form a triangle?
Determining Whether a Group of Sides Can Form a Triangle
The tangent function can help you determine an angle - learn how.
Determining the Angle of Elevation Using Tangent
Learn how to make a factor tree using prime numbers.
Constructing a Factor Tree
Watch an example of completing the square.
Completing the Square
What can you learn about adjacent right triangles?  Watch this video to find out.
Adjacent Right Triangle Problems
Learn what constants are.
Constants
What are patterns? Learn here!
Patterns
Learn what 'obtuse angles' are.
Obtuse Angles
Learn what a 'median' is.
Median
Here is an example of multiplying algebraic fractions.
Multiplying Algebraic Fractions
Here is an example of multiplying binomials using the 'magic box'.
Multiplying Binomials with the Magic Box
The lazy way to measure circumference
Circumference by Math Busters
The importance of aligning numbers correctly
Adding Three- and Four-Digit Numbers
What is a variable?
Variables
Can one think about limits in calculus in a totally different way?
Limits And Love
Using the Sieve of Eratosthenes as a way to find prime numbers
Prime Numbers Sieve
Stop-motion animation definition of prime numbers
Prime Numbers Stop Action
This video explains what a prime number is
Prime Numbers Explained
How does the Pythagorean Theorem work?
Pythagorean Theorem
Quickly remember how to multiply by nines using your fingers
Multiply By Nines
Duane Habecker demonstrates how to compare proportions
Three Ways to Solve a Proportion
Duane Habecker demonstrates how to subtract fractions from whole numbers
Subtracting Negatives
Duane Habecker demonstrates how to subtract fractions
Subtracting Fractions
Duane Habecker demonstrates how to use borrowing when subtracting fractions
Subtracting Fractions with Borrowing
Duane Habecker demonstrates how to subtract fractions from whole numbers
Subtracting Fractions from Whole Numbers
Duane Habecker demonstrates how to subtract decimals
Subtracting Decimals
Duane Habecker demonstrates how to work with ratios by using proportions
Solving Proportions
Duane Habecker demonstrates how to solve word problems that use percents
Solving Word Problems with Percents
Duane Habecker demonstrates how to simplify, or reduce, ratios
Simplifying Ratios
Duane Habecker uses proportions to find measurements of similar figures
Proportions and Similar Figures
Duane Habecker demonstrates how to figure the tip as a percentage of the bill
Percent Tip
Duane Habecker demonstrates how to figure the cost of sales tax
Percent Tax
Duane Habecker explains how to find the exact percent of a discount
Percent Discount
Duane Habecker demonstrates the order of operations
Order of Operations (2)
Duane Habecker demonstrates the order of operations
Order of Operations (1)
Duane Habecker shows how to multiply integers
Multiplying Integers
Duane Habecker shows how to multiply fractions
Multiplying Fractions
Duane Habecker shows how to multiply decimals
Multiplying Decimals
Duane Habecker shows how to divide fractions
Mean, Median, and Mode
Duane Habecker shows how to find unit ratios
Finding Unit Ratios
Duane Habecker shows how to find the whole from a percent
Finding the Whole from a Percent
Duane Habecker shows how to find the range of a series of numbers
Finding Range
Duane Habecker shows how to find equivalent ratios
Finding Equivalent Ratios
Duane Habecker shows how to divide whole numbers by decimals
Dividing Whole Numbers by Decimals
Duane Habecker shows how to divide integers
Dividing Integers
Duane Habecker shows how to divide fractions
Dividing Fractions
Duane Habecker shows how to compare integers
Comparing Integers
Duane Habecker shows how to compare fractions
Comparing Fractions
Duane Habecker shows how to compare decimals
Comparing Decimals
Duane Habecker shows how to find the circumference of a circle
Circumference of Circles
Duane Habecker shows how to change percents into fractions
Changing Percents into Fractions
Duane Habecker shows how to change mixed fractions into improper numbers
Changing Mixed Fractions into Improper Numbers
Duane Habecker shows how to change improper fractions into mixed numbers
Changing Improper Fractions into Mixed Numbers
Duane Habecker shows how to change fractions into percents
Changing Fractions into Percents
Duane Habecker shows how to change fractions into decimals
Changing Fractions into Decimals
Duane Habecker shows how to change decimals into percents
Changing Decimals into Percents
Duane Habecker shows how to change decimals into fractions
Changing Decimals into Fractions
Duane Habecker shows the basics of ratios
Basics of Ratios
Duane Habecker shows how to find the area of circles
Area of Circles
Duane Habecker shows how to add integers with the same sign
Adding Integers with the Same Sign (2)
Duane Habecker shows how to add integers with the same sign
Adding Integers with the Same Sign (1)
Duane Habecker shows how to add integers with different signs
Adding Integers with Different Signs (2)
Duane Habecker shows how to add integers with different signs
Adding Integers with Different Signs (1)
Duane Habecker shows how to add fractions
Adding Fractions
Dwayne Habecker shows how to add decimals
Adding Decimals