# Subject Area Archive

## Videos about Math

326 videos

## Contest Winners

2 videos

## Contest Finalists

35 videos

- Using Base 10 Blocks To Solve For Subtraction
- How To Remember Values On The Unit Circle
- Addition Using the Friendly Ten Strategy
- Budgeting For Beginners
- Line Up The Decimal When Adding And Subtracting
- How To Multiply
- The Algebra Song
- Unraveling the Unit Circle Using Spaghetti
- How to Create a Pythagorean Spiral
- Multiplying Integers (2016)
- Pi Day
- Colorful Arithmetic and Geometric Sequences
- Put a Fraction on a Number Line
- Geometry Art
- Probability
- Counting by 10s
- Fractions Review Rap
- Congruent Triangles
- Counting Principle and Sandwich Possibilities
- Solid Figures
- Math Vocabulary Rap
- Quadratic Graphs
- Area of a Triangle
- Make a 3D Fractal Card
- How a Reflecting Telescope Works
- Traffic Flow: Probability and Missing Red Lights
- Adding and Subtracting Integers
- Collecting Like Terms
- Count to Ten
- The Coordinate Plane
- Mathboarding
- FOIL Time
- The Right Angle
- Rate of Work
- Count In Binary

## All Videos

- Using Base 10 Blocks To Solve For Subtraction
- Division With Multiplication
- How To Remember Values On The Unit Circle
- How To Complete A Double Digit By Double Digit Multiplication Question
- How To Do 3 Digit By 3 Digit Multiplication
- Why A Confidence Interval Wouldn’t Contain The Parameter
- When to Reject a Null Hypothesis
- Addition Using the Friendly Ten Strategy
- Budgeting For Beginners
- Line Up The Decimal When Adding And Subtracting
- Simplifying Expressions Using The Distributive Property
- Slope Superheroes
- Consumer Math!
- How To Graph On A Coordinate Plane
- Postulates vs. Theorems
- How To Multiply
- The Algebra Song
- Shopping with Decimals
- Multiplying Whole Numbers and Decimals
- Dividing Mixed Numbers
- Turning Division Quotients Into Decimals
- Division Girl
- Subtraction With The Box Method
- How to Solve an Equation in Quadratic Form
- A Song for Memorizing Pi
- Stretching and Shrinking Functions
- Unraveling the Unit Circle Using Spaghetti
- The Unit Circle
- Solving Exponential Equations (short version)
- Angles of Depression and Elevation
- An Example of Graphing an Ellipse
- How to Create a Pythagorean Spiral
- How to Find the Standard Deviation
- Binary 101
- How to Add and Subtract Negative Numbers
- Divisibility Rules
- Multiplying Integers (2016)
- How to Do a Factor Tree
- Subtracting Numbers from Ten Using Fingers
- Finding the LCM of 9 and 12
- Three Trigonometric Functions
- Pi Day
- How to Simplify Radicals
- Completing the Square (2016)
- Don’t Fret: The Pythagorean Theorem
- Simplifying an Algebraic Expression with Negative Exponents
- Synthetic Division
- Graphing Asymptotes
- What Are Cubes?
- Colorful Arithmetic and Geometric Sequences
- Put a Fraction on a Number Line
- How to Multiply 9s from 1 to 10
- Geometry Art
- Steps for Multiplying 2-Digit Numbers by 1-Digit Numbers
- Finding Reciprocals
- A Long Division Example
- An Example with Adding Decimals
- Two Examples of Dividing Fractions
- Steps for Dividing Fractions
- Finding Numbers on a Number Line
- An Example of Multiplying Decimals
- Chinese Math and Multiplication
- Probability
- Multiply with an Array
- Cookie Trouble (Halves from a Whole)
- Counting by 10s
- Classifying Shapes
- Averaging Decimals
- Converting Time and Metric Units
- Compare Decimals
- Counting from 1 to 10
- Transformation Concepts
- Jaylen’s Partial Products
- Multiplying with Your Fingers: The 9s
- Math Mountains
- Evens and Odds: One Way to Remember Them
- Making a Ten
- What PEMDAS Stands For
- How to Teach Subtraction
- Fractions Review Rap
- Subtracting Fractions – Even a Dog Can Do It
- Subtracting Negatives
- How to Show Your Work
- Coplanar and Noncoplanar
- Monkeying Around with Multiplication
- Sharing Equally: A Division Word Problem
- Triangle Rectangle Square
- Equal Area
- Development of the Cube
- What Is Multiplication
- Division by 3
- Fibonacci on the Floor
- How to Use Exponents
- PEMDAS: The Rap
- Congruent Triangles
- Counting Principle and Sandwich Possibilities
- Solid Figures
- Math Vocabulary Rap
- Dividing Fractions (2)
- How to Understand Symmetry
- The Difference Between Concave and Convex
- Long Division with Math Helpers
- How to Multiply by Nines
- How to do the Lattice Method of Multiplication
- PEMDAS – It’s Easy!
- Twelve Times Table
- Eight Times Table
- Adding Decimals the EZ Way
- 9 plus 9
- Multiplying by Three Digit Numbers
- The Power Power
- Quadratic Graphs
- Area of a Triangle
- Multiplying by One
- Lord of the Rings/ Vector Addition Law
- Ice Cream Combinations
- Lateral Area, Surface Area, and Volume
- How to Round Whole Numbers
- The Nines Table
- Combining Integers
- Factors of Production
- Price Elasticity
- Law of Diminishing Marginal Returns
- Make a 3D Fractal Card
- Vocab Lottery Probability
- The Applications of Vectors in Dodgeball
- How a Reflecting Telescope Works
- How to Make a Hexaflexagon
- Traffic Flow: Probability and Missing Red Lights
- How to Solve a Hard Math Problem
- Mean Median Mode (2012)
- Finding the Mean
- Transforming Quadratic Functions
- Finding Zeros of a Quadratic Function
- Misleading Graphs
- Remembering What PEMDAS Means
- Minimum and Maximum of a Quadratic Function
- Solving Proportions (2012)
- Quadratic Functions
- The Chain Rule in Calculus
- The Power Rule in Calculus
- Constructing Circumcenters
- Pythagoras Applied
- Multiply by 11
- Adding and Subtracting Integers
- Dividing Mixed Numbers
- Circles
- Collecting Like Terms
- Metric Conversions
- Probability
- Multiplying 2 Digit Numbers Mentally
- A Distance and Time Problem Example
- Multiplication Examples
- PEMDAS
- Multiplication (Finger) Tips
- Example of Solving a Simple Multi-Step Equation
- GEMDAS
- How to Use a Number Line
- Subtraction
- Multiplication
- Understanding the Pythagorean Theorem
- What is Addition?
- What is a Square?
- Dividing Fractions (2011)
- The Equal Sign
- Count to Ten
- Steps in Long Division
- How to Find the Area of a Trapezoid
- The Coordinate Plane
- Zero in the Denominator
- Factoring Quadratic Polynomials
- Mathboarding
- Mixed Numbers
- How to make equivalent fractions
- Equivalent Fractions
- Memorizing the Quadratic Formula
- Finding Rate (Distance/Time)
- SOH CAH TOA
- How to Copy a Polygon
- 2-5 Times Tables
- How to Add Fractions
- How to Mulitply By Nine
- How the Ancient Egyptians Did Multiplication
- How to Use an Abacus
- Hypotenuse
- Odd and Even Numbers
- Recognizing Patterns
- How to Find the LCM and GCF
- Subtracting Single and Double Digit Numbers
- How to Find the Slope of a Line
- Multiplying with Exponents
- Multiplying Positive and Negative Numbers
- Multiplying Fractions (2011)
- How to Simplify an Expression
- Graphing Ordered Pairs
- GEMDAS (Grouping, Exponents, Multiplication, Divison, Addition & Subtraction)
- How to Graph an Equation
- Distributive Property Equations (2)
- Distributive Property Equations
- Converting Improper Fractions to Mixed Numbers
- Converting Mixed Numbers to Improper Fractions
- Adding Fractions (3)
- Adding Fractions (2)
- Adding Decimals (2)
- FOIL Time
- The Right Angle
- Rate of Work
- Multiplying by Zero
- Counting By Nines
- How to Find the Area of a Garden
- Count In Binary
- Column Addition
- Grid Method
- Remainders
- PEMDAS
- Multiplication Table
- Types of Angles
- Multiplying Large Numbers
- Measuring an Irregular Distance
- The Union of Sets
- The Exponent Zero
- Subtracting in Word Problems
- Squeeze Theorem
- Slope Intercept Formula
- Right Angles
- Rewriting Negative Exponents
- Relating Pennies to Nickels, Dimes, and Quarters
- Problem Solving Strategies
- Prime Numbers Song
- Ordering Fractions and Decimals (2)
- Ordering Fractions and Decimals (1)
- Number System Relationships
- Multiplication Tables
- Math in the Kitchen
- Math in Sports
- Kurtosis
- Independent and Dependent Events
- Image Keys for Pictographs
- Holes in Rational Equations
- Fraction Terms
- Finding the Reciprocal
- The Equals Sign
- Finding the Lowest Common Denominator
- Finding the Dot Product
- Evaluating a Function for a Variable
- Estimating Volume with Cubes
- Degree in Polynomials
- Constants
- Comparing Large Numbers
- Common Angle Measures
- Changing Units through Differentiation
- Binary Code
- Applications of Combinations
- Adding One-Digit Numbers
- Estimating Surface Area
- Odd Numbers
- Concept of Symbols
- Permutations with Repetition
- Key Words
- Practice Graphing Lines
- Multiplying Two Small Matrices
- Determining Whether a Group of Sides Can Form a Triangle
- Determining the Angle of Elevation Using Tangent
- Constructing a Factor Tree
- Completing the Square
- Adjacent Right Triangle Problems
- Constants
- Patterns
- Obtuse Angles
- Median
- Multiplying Algebraic Fractions
- Multiplying Binomials with the Magic Box
- Circumference by Math Busters
- Adding Three- and Four-Digit Numbers
- Variables
- Limits And Love
- Prime Numbers Sieve
- Prime Numbers Stop Action
- Prime Numbers Explained
- Pythagorean Theorem
- Multiply By Nines
- Three Ways to Solve a Proportion
- Subtracting Integers
- Subtracting Fractions
- Subtracting Fractions with Borrowing
- Subtracting Fractions from Whole Numbers
- Subtracting Decimals
- Solving Proportions
- Solving Word Problems with Percents
- Simplifying Ratios
- Proportions and Similar Figures
- Percent Tip
- Percent Tax
- Percent Discount
- Order of Operations (2)
- Order of Operations (1)
- Multiplying Integers
- Multiplying Fractions
- Multiplying Decimals
- Mean, Median, and Mode
- Finding Unit Ratios
- Finding the Whole from a Percent
- Finding Range
- Finding Equivalent Ratios
- Dividing Whole Numbers by Decimals
- Dividing Integers
- Dividing Fractions
- Comparing Integers
- Comparing Fractions
- Comparing Decimals
- Circumference of Circles
- Changing Percents into Fractions
- Changing Mixed Fractions into Improper Numbers
- Changing Improper Fractions into Mixed Numbers
- Changing Fractions into Percents
- Changing Fractions into Decimals
- Changing Decimals into Percents
- Changing Decimals into Fractions
- Basics of Ratios
- Area of Circles
- Adding Integers with the Same Sign (2)
- Adding Integers with the Same Sign (1)
- Adding Integers with Different Signs (2)
- Adding Integers with Different Signs (1)
- Adding Fractions
- Adding Decimals