4 Part Lessons Key Stage 3
Scale drawings and map ratios
Writing Ratios in their simplest form
Sharing in a given ratio
Ratio and equivalent proportions
Direct proportion and exchange rates
Speed, distance and time
4 Part Lessons GCSE
Sharing to a Ratio
Proportion and Recipes
Direct Linear Proportion
Calculating Exchange Rates
Best Value Ratio Problems
How to introduce the sin, cos and tan trigonometric identities.
How to teach calculating the original amount after a percentage change.
The importance of the range when comparing comparing datasets.