Real math help.
What are the Inverse Properties of Addition and Multiplication?
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Inverse properties of addition and multiplication got you stumped? This tutorial should help! Check it out and learn these two important inverse properties.
Background Tutorials
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Introduction to Algebraic Expressions
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What is a Variable?
You can't do algebra without working with variables, but variables can be confusing. If you've ever wondered what variables are, then this tutorial is for you!
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Adding Real Numbers
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How Do You Add a Negative Number to a Positive Number?
How do you combine a positive and a negative number? This tutorial shows you how. You even get to see it explained with a number line!
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Multiplying Real Numbers
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How Do You Multiply a Whole Number by a Fraction?
Multiplying a whole number and a fraction can be confusing, but this tutorial helps to sort things out. Check it out!
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Dividing Real Numbers
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What are Multiplicative Inverses?
Multiplicative inverses. That's a mouthful! Really, this term just refers to numbers that when multiplied together equal 1. These numbers are also called reciprocals of each other! Learn about multiplicative inverses by watching this tutorial.
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What's a Reciprocal?
Reciprocals are important when it comes to dividing fractions, finding perpendicular lines, dealing with inverse proportions, and so much more! In this tutorial you can review the basics about reciprocals.
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Why Can't You Divide By 0?
Why can't you divide by 0? This may be one of the most asked math questions. Get this question answered once and for all by watching this tutorial!
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Further Exploration
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Properties of Equality
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What's the Addition Property of Equality?
Solving equations can be tough, especially if you've forgotten or have trouble understanding the tools at your disposal. One of those tools is the addition property of equality, and it lets you add the same number to both sides of an equation. Watch the video to see it in action!
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Solving One-Step Equations
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How Do You Solve an Equation Using Addition?
Solving an equation for a variable? Perform the order of operations in reverse! Check it out in this tutorial.
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Solving Two-Step Equations
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How Do You Solve a Two-Step Equation by Multiplying by a Reciprocal?
Trying to solve an equation involving a fraction? Just multiply the fraction away by multiplying by the reciprocal and then perform the order of operations in reverse! See how in this tutorial.
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