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### Scientific notation : Scientific notation 3

##### By: Sal Khan, Monterey Institute for Technology and Education

Scientific notation 3

Understanding and solving exponents without algebra.

### Exponent properties : Exponent Rules Part 1

##### By: Sal Khan

Introduction to exponent rules

Understanding and solving exponents without algebra.

### Scientific notation : Scientific Notation 3 (new)

##### By: Sal Khan, Monterey Institute for Technology and Education

Scientific Notation 3

Understanding and solving exponents without algebra.

### Exponent properties : Exponent Properties Involving Quotients

##### By: Sal Khan, CK-12 Foundation

Exponent Properties Involving Quotients

Understanding and solving exponents without algebra.

### Scientific notation : Scientific Notation I

##### By: Sal Khan, Monterey Institute for Technology and Education

Scientific Notation I

Understanding and solving exponents without algebra.

### Radical radicals : Approximating Square Roots

##### By: Sal Khan, Monterey Institute for Technology and Education

Approximating Square Roots

Understanding and solving exponents without algebra.

### The world of exponents : Understanding Exponents

##### By: Sal Khan, Monterey Institute for Technology and Education

Understanding Exponents

Understanding and solving exponents without algebra.

### Divisibility tests : Recognizing Divisibility

##### By: Sal Khan, Monterey Institute for Technology and Education

Recognizing Divisibility

Understanding and finding factors and multiples. After these videos, you'll be ready for fractions.

### The distributive property : Distributive Property Example 1

##### By: Sal Khan, CK-12 Foundation

ck12 Distributive Property example

Multiplying and dividing positive and negative whole numbers, understanding place value, and rounding numbers.

### Prime factorization : Prime Factorization

##### By: Sal Khan, Monterey Institute for Technology and Education

Prime Factorization

Understanding and finding factors and multiples. After these videos, you'll be ready for fractions.

### Unit conversion : Speed translation

##### By: Sal Khan

Translating speed units

Wait, I'm in Europe and my car only tells my distance traveled in kilometers! But I'm used to a units of distance devised by the Romans to measure the average length of 1000 paces of a soldier (the mile)! How do I operate? This tutorial is about the fun

### Decimals and fractions : Representing a number as a decimal, perce...

##### By: Sal Khan, Monterey Institute for Technology and Education

Representing a number as a decimal, percent, and fraction 2

Understanding fractions conceptually, using operations with fractions, and converting fractions.

### Mixed number multiplication and division : Reciprocal of a Mixed N...

##### By: Sal Khan, Monterey Institute for Technology and Education

Reciprocal of a Mixed Number

Understanding fractions conceptually, using operations with fractions, and converting fractions.

### Adding and subtracting fractions : Adding Fractions with Like Deno...

##### By: Sal Khan, Monterey Institute for Technology and Education

Adding Fractions with Like Denominators

Understanding fractions conceptually, using operations with fractions, and converting fractions.

### Equivalent fractions and simplified form : Comparing Fractions 2

##### By: Sal Khan, Monterey Institute for Technology and Education

Comparing Fractions

Understanding fractions conceptually, using operations with fractions, and converting fractions.

### Multiplying and dividing negative numbers : Why a Negative Times a...

##### By: Sal Khan

Using the repeated addition model of multiplication to think about multiplying negative numbers

Extending our understanding of numbers below 0. Thinking about absolute distance from 0.

### Converting between fractions and decimals : Converting Fractions t...

##### By: Sal Khan, Monterey Institute for Technology and Education

Converting Fractions to Decimals

Understanding decimals conceptually, using operations with decimals, rounding and estimating with decimals, and converting decimals.

### Multiplication fun : Basic Multiplication

##### By: Sal Khan

Introduction to multiplication

Multiplying and dividing positive and negative whole numbers, understanding place value, and rounding numbers.

### Brain Teasers : Light Bulb Switching Brain Teaser

##### By: Sal Khan

Turning light bulbs on and off.

Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!

### Mixed number addition and subtraction : Adding subtracting mixed n...

##### By: Sal Khan

Adding subtracting mixed numbers 1 (ex 2)

Understanding fractions conceptually, using operations with fractions, and converting fractions.

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