Maths GCSE lesson on increasing and decreasing by a percentage of amount.
Please note, this is a non calculator lesson and uses mental methods/written arithmetic (i.e. find 10% by dividing by 10, 25% by dividing by 4, etc). For percentage multipliers, please see this lesson under other resources.
PowerPoint and ActivInspire formats included.
Take back hours of your time and still deliver an excellent lesson!
Lesson benefits include:
- Engage a love of learning by discussion of how finding percentages apply in real life
- Set high expectations of presentation with starter slide
- Examples clearly written out
- Mini White Board section to check for understanding - change to a “mini quiz” if no white boards available in classroom
- Lessons are scaffolded to reach all learners; gradually increase in difficulty
- Solutions for every question
- Lesson slides kept simple to prevent cognitive overload
- All lessons designed by GCSE/A-Level maths teacher with a degree in mathematics
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