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### The distributive property : The Distributive Property

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

The Distributive Property

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

### Ratios and proportions : Ratio and Proportion

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

Ratio and Proportion

Would you rather go to a college with a high teacher-to-student ratio or a low one? What about the ratio of girls-to-boys? What is the ratio of eggs to butter in your favorite dessert? Ratios show up EVERYWHERE in life. This tutorial introduces you to wha

### Mixed number addition and subtraction : Subtracting Mixed Numbers 2

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

Subtracting Mixed Numbers 2

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

### Multiplying and dividing fractions : Multiplying Fractions

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

Multiplying Fractions

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

### Place value : Place Value 3

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

Place Value 3

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

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