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Study Guide

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We use numbers to solve problems. A simple problem like "If Ellen has 3 walls on which to watch...

Yo—Shmoop, represent.You may not realize it, but you're already pretty good at recognizing...

As you now know, there are infinitely many ways to express any particular fraction. Even more if...

In order to multiply or divide with mixed numbers, turn the mixed numbers into fractions first....

A decimal is another way of representing a real number. Many numbers that can be written as...

A percent is an abbreviation for a fraction where the denominator is 100. That fancy "%" sign...

When comparing real numbers, it can help to think of the number line. Ah, how fondly we remember...

The words "even" and "odd" have several meanings in mathematics. If we're talking about numbers,...

A sequence of numbers is a list of numbers, whether infinite or finite. The individual numbers...

Here's a video that showcases math used in the real world.

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