7th grade takes much of what you learned in 6th grade to an entirely new level. In particular, you'll now learn to do everything with negative numbers (we're talking everything--adding, subtracting, multiplying, dividing, fractions, decimals... everything!). You'll also take your algebraic skills to new heights by tackling two-step equations. 7th grade is also when you start thinking about probability (which is super important for realizing that casinos and lotteries are really just ways of taking money away from people who don't know probability) and dig deeper into the world of data and statistics. Onward! (Content was selected for this grade level based on a typical curriculum in the United States.)
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# Variables and expressions

In this section, the rubber really hits the road (algebraically speaking, of course). For example, order of operations is the starting point for solving all equations. Learning to combine like terms is equally important. We'll also look at manipulating and interpreting expressions, understanding two step equations, and linear inequalities. Lots of great stuff in this series of tutorials.
All content in “Variables and expressions”

## Manipulating expressions

Using the combined powers of Chuck Norris and polar bears (which are much less powerful than Mr. Norris) to better understand what expressions represent and how we can manipulate them. Our new skills will include using order of operations, combining like terms, and using the distributive property. Great tutorial if you want to understand that expressions are just a way to express things! Common Core Standard: 7.EE.A.1

## Interpreting linear expressions

Any expression (mathematical or otherwise) has meaning. Help us match the linear expression to the meaning options given. In some cases, more than one meaning may apply. Common Core Standard: 7.EE.A.2

## Two-step equations

After this set of tutorials, you're going to be ready to tackle almost any two step equation that dares run across your path. But pay attention, some of the examples require putting to work multiple concepts including merging like terms, using the distributive property, and equally applying things to both sides of the equation. Common Core Standard: 7.EE.B.4

## Applying linear equations

Did you think that we were playing with equations just for fun? Nope. They are actually useful for solving real problems. In this set of videos we'll work on constructing and solving linear equations from word problems. Common Core Standards: 7.EE.B.4, 7.EE.B.4a

## Linear inequalities

Not everything in the world is equal, and it's true of equations, too! A linear inequality is like a linear expression, only it has an inequality sign in it. Their solutions are often graphed. In this group of tutorials we'll explain everything you need to know about solving linear inequalities, including the trick of multiplying and dividing by negative numbers to solve them. Common Core Standard: 7.EE.B.4b