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Subtraction Videos

Subtracting Mixed Numbers Word Problem

Sal of Khan Academy explains how to simplify word problems to the basic numerical question. Get practice both with understanding these word problems and subtracting and simplifying mixed numbers.  Continue …

Addition and Subtraction with Significant Figures

Sal from Khan academy explains how to add and subtract with the right level of precision when dealing with decimals. Learn what significant figures are and how to put the correct number of places after a decimal point.  Continue …

Adding and Subtracting Polynomials 3

Sal from Khan Academy tackles more difficult examples of adding and subtracting polynomials. This more challenging set of problems will push your understanding of polynomials and make you an expert in no time.  Continue …

Adding and Subtracting Rational Expressions 3

Sal from Khan Academy makes adding and subtracting rational expressions easy by explaining how to simplify complicated expressions. After finding the common denominator, Sal makes it a piece of cake!  Continue …

Adding and Subtracting Rational Expressions 2

Sal of Khan Academy explains how to add and subtract more complicated rational expressions. Get more practice simplifying expressions and finding the domain.  Continue …

Adding and Subtracting Polynomials 2

Sal from Khan Academy explains how to simplify a complicated polynomial. Learn how to add and subtract polynomials with the help of Sal's easy-to-understand demonstration.  Continue …

Subtracting Decimals Word Problem

Sal from Khan Academy demonstrates how to subtract decimals in a word problem. Apply your knowledge of subtraction and money to solve this problem with Sal's help.  Continue …

Subtracting Decimals

Sal of Khan Academy explains how simple subtracting decimals can be. He removes the confusion that surrounds subtracting decimals by treating them as normal numbers, and with his tips you'll realize how easy the process can be!  Continue …

Adding and Subtracting Rational Expressions 1

Get a great example of how to add and subtract rational expressions through this clear and helpful tutorial. This example starts off with a complicated questions, but after a thorough demonstration, you will fully understand how to write and then simply a rational expression.  Continue …

Adding and Subtracting Negative Numbers

Khan Academy makes confusion about adding and subtracting negative numbers a thing of the past. A normally complicated lesson becomes simple as he explains the basic concept behind negative numbers and demonstrates how to add and subtract them with the help of a number line.  Continue …

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