Chapter 7

Ratio

KHAN ACADEMY

Chapter 7: Ratio

This section covers ratio and proportions, rates, unit conversion, metric system unit conversion, and even more advanced topics such as Fahrenheit and Celsius conversion.

http://www.khanacademy.org/math/pre-algebra/rates-and-ratios

WEBSITE SUPPORT

Thinking Blocks – Bar Models

aaamath.com – find the ratio

aaamath.com – determine number based on ratio

math.rice.edu – word problems with visual aids

shodor.org – a thinker if you dare to follow the tortoise and the hare.

articlesforeducators.com – challenging problem only for those who really want to think!