Ratio
Add or multiply
To find the ratio - when do you add and when do you multiply?
Use ratio language
Learn about the language of ratio.
Introduction to the ratio symbol
Learn about the ratio symbol.
Ratio and fractions
Learn about the relationship between fractions and ratios.
Scale drawing
Learn how to draw to scale.
Use scale factors
Learn how to use scale factors.
Similar shapes
Explore similar shapes.
Ratio problems
Try some ratio problems.
Proportion problems
Try some proportion problems.
Recipes
Can you adjust the ratio within recipes?