MathVillage

This is the cover page for the Ratios and Proportions BOOK

If you know two figures are similar, how can you find the missing lengths for the second figure?. Sample problem here.

How to use ratios (and ratio tables) to solve a proportion. Sample problem here.

Using ratios to make decisions. Sample problem here.

Ratio and proportions for MathVillage

Learn how to solve proportion word problems. Sample problem here.

There are many ways to solve a proportion. This page shows you three methods. $$\frac{6}{9}\,=\,\frac{x}{12}$$

Learn how to turn any ratio into a unit ratio. $$\frac{5}{4}\,=\,\frac{[   ]}{ 1 }$$

How can you tell if two ratios are equivalent to each other? This page shows you. Sample problem here.

Writing ratios in simplest form. $$\frac{12}{15}\,\rightarrow~\,\frac{4}{5}$$