Math Video Tutorials

We created the math video tutorials in order to help students learn or re-learn what they may be missing in their math education and for better understand the math topic they are working on.

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Adding Decimals

This video explains how to add decimal numbers (from Khan Academy).

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Addition Advanced

This video explains how to add multiple digit numbers and shows examples (from Khan Academy).

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Addition Basic

This video shows how to do basic addition and gives examples in multiple visual ways (from Khan Academy).

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Addition of 2-Digit Numbers

This video explains how to add 2-digit numbers and gives examples (from Khan Academy).

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Additon with Carrying

This video shows how to add a 2-digit number to a 1-digit number and explains carrying (from Khan Academy).

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Area and Perimeter

This video explains the area of rectangles and triangles, the perimeter of rectangles and gives examples (from Khan Academy).

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Area of a Circle

This video explains the concept of area of a circle and how it relates to radius and diameter (from Khan Academy).

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Exponentiation (1 of 2)

This tutorial explains how to work with exponentiation.

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Exponentiation (2 of 2)

The second tutorial shows how to perform exponentiation with rules and examples.

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Greatest Common Factor (1 of 3)

In this tutorial you will learn how to calculate the greatest common factor for two numbers.

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Greatest Common Factor (2 of 3)

This is the second tutorial that present how to calculate the greatest common factor for two numbers.

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Greatest Common Factor (3 of 3)

This video contains examples to help you understand how to calculate the greatest common factor or GCF of two larger numbers.

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Least Common Multiple (1 of 3)

In this video you will learn how to calculate the least common multiple (LCM), definitions and examples.

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Least Common Multiple (2 of 3)

In the second video you will find advanced tricks and examples.

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Least Common Multiple (3 of 3)

This is the third tutorial on how to calculate the least common multiple, review and examples.

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Multiplication - 10,11,12 Times Tables

This video explains how to multiply by 10, 11, and 12 and gives examples (from Khan Academy).

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Multiplication - a two-digit number multiplied by a single-digit number

This video shows how to multiply a two-digit number by a single-digit number (from Khan Academy).

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Multiplication - a two-digit number multiplied by another two-digit number

This video shows how to multiply a two-digit number by another two-digit number (from Khan Academy).

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Multiplication - The Multiplication Tables

This video is an introduction to the multiplication tables from 2-9 (from Khan Academy).

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Multiplication Basic

This video explains the concept of multiplication (from Khan Academy).

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Multiplication of Multiple Digit Numbers

This video explains how to multiply multiple-digit numbers with each other (from Khan Academy).

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Percentage (1 of 2)

This is first of two video tutorials that explains how to compute the percentage of a number.

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Percentage (2 of 2)

This tutorial explains how to compute a percentage.

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Prime Factoring (1 of 2)

This first tutorial video contains definitions and explains how to do prime factoring.

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Prime Factoring (2 of 2)

The second tutorial extends the factoring definitions and brings to light additional tricks.

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Radius, Diameter and Circumference of a Circle

This video explains the relationship between the radius, diameter and circumference of a circle and shows examples (from Khan Academy).

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Subtracting Decimals

This video explains how to subtract decimal numbers (from Khan Academy).

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Subtraction - Borrowing or Regrouping

This video explains how to subtract 2 o 3-digit numbers with borrow and gives examples (from Khan Academy).

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Subtraction Advanced

This video explains how to subtract multi-digit numbers involving borrowing and gives examples (from Khan Academy).

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Subtraction Basic

This video shows how to do basic subtraction and gives examples (from Khan Academy).

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Subtraction of 2-Digit Numbers

This video explains how to subtract 2-digit numbers and gives examples (from Khan Academy).

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After you upgrade your account to a regular membership, $9.95 per student will be charged to your credit card monthly starting the day when you click "Submit Enrollment", and continue until you cancel your membership.

See Terms of Use for complete membership details. Enroll now!

Free Trial Offer Details

GoldStudent offers a 7 day free trial, no credit card needed.

Your GoldStudent 7 days free trial will begin when you click on "Continue" on the "Registration" page. During the 7 days free trial you can take full advantage of all the Goldstudent features, no charges.

Before you free trial expires you will be notified by email and asked to upgrade your account in order to continue your GoldStudent membership. After 7 days, if you don't upgrade your account to a regular membership, your free account will be deactivated.

After you upgrade your account to a regular membership, $9.95 per student will be charged to your credit card monthly starting the day when you click "Submit Enrollment", and continue until you cancel your membership.

See Terms of Use for complete membership details. Enroll now!

Cool Prizes

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Resources

Valuable information and articles for parents to help your children excel in math

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Math Problem of the Day

Tuesday,  February 7,  2012

Question:

What are the prime factors of 73? List factors from small to big.
Please enter the answer:                      

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