# 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.

### Addition Advanced

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

### Addition Basic

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

### Addition of 2-Digit Numbers

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

### Additon with Carrying

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

### Area and Perimeter

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

### 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).

### Exponentiation (1 of 2)

This tutorial explains how to work with exponentiation.

### Exponentiation (2 of 2)

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

### Greatest Common Factor (1 of 3)

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

### Greatest Common Factor (2 of 3)

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

### 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.

### Least Common Multiple (1 of 3)

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

### Least Common Multiple (2 of 3)

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

### Least Common Multiple (3 of 3)

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

### Multiplication - 10,11,12 Times Tables

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

### 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).

### 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).

### Multiplication - The Multiplication Tables

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

### Multiplication Basic

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

### Multiplication of Multiple Digit Numbers

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

### Percentage (1 of 2)

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

### Percentage (2 of 2)

This tutorial explains how to compute a percentage.

### Prime Factoring (1 of 2)

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

### Prime Factoring (2 of 2)

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

### 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).

### Subtracting Decimals

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

### Subtraction - Borrowing or Regrouping

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

### Subtraction Advanced

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

### Subtraction Basic

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

### Subtraction of 2-Digit Numbers

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

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