Ratio, Proportion and Rates mind maps

Ratio, proportion and rates mind maps

These user-made maps show different ways to organize the unit’s ideas. Ratios works through simplifying ratios, including ratios with decimals. Proportional Relationships introduces ratios and rates, while Variation sets out direct and inverse variation.

Choosing and using a map

Start with Ratios if you want to study how ratios are simplified. Follow its examples, then try describing each step without looking at the map. For a broader introduction, open Proportional Relationships and compare its definitions of ratio and rate.

When you are ready to study how quantities change together, use Direct and inverse proportion. Its worked example shows how to find a constant of proportionality. Trace the steps through the map, then see if you can explain them in your own words.

If you want questions to work through, switch to a quiz on the unit page. Try a map and follow it with a quiz.