M-RAT-011Foundation & HigherReview: Pending

Find an original amount after a percentage change

Ratio and proportion · Percentages (T-RAT-004)

v1 mapping, pending teacher review. Only AQA and Edexcel are mapped so far. The first 3 pilot worksheets and their worked answers are available; remaining worksheets are coming soon. All videos are still coming soon.

Retrieval: Forward multipliers and inverse operations
Fluency: Reverse increases and decreases
Reasoning: Explain the base quantity and the chosen multiplier.
Application: Find a price before VAT or a sale
Common misconception: A reverse percentage uses division by the forward multiplier.

Video brief

Model how to find an original amount after a percentage change. Explain each step; pause for a matching shadow question.

Planned video: V-RAT-011 · Video coming soon

Worksheets

Worksheets coming soon

Note: Scope and tier apply to this skill; tag each generated variant separately.