Ratio, Rates, Percents and Proportions

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In this video, Salman Khan of Khan Academy solves more percent problems.

In this video, Salman Khan of Khan Academy explains growth by percentages.

In this video, Salman Khan of Khan Academy explains taking percentages.

In this video, Salman Khan of Khan Academy demonstrates ordering numeric expressions.

In this video, Salman Khan of Khan Academy gives an introduction to percent and decimals.

Great site to use to get a scientific calculator to solve or check your problems you are working on. Larger and easy to use.

Interest rates, compound interest, money

A functional scientific calculator with the look and feel of a real calculator for teaching how to use a calculator over the web.

This page explains ratios and shows in detail the different ways that ratios can be written and used. Several examples are shown and a link is included where students can work on a practice problem.

In this Early Edge video lesson, you'll learn more about Finding Quartiles, so you can be successful when you take on high-school Math & Algebra.

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