M-RAT-029Higher onlyReview: Pending

Use general iterative growth and decay models

Ratio and proportion · Growth and decay (T-RAT-006)

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: Repeated substitution
Fluency: Recurrence with additions or removals
Reasoning: Compare successive multipliers or iterative rules.
Application: Model a changing balance with regular deposits
Common misconception: Repeated percentage changes do not usually combine by adding rates.

Video brief

Model how to use general iterative growth and decay models. Explain each step; pause for a matching shadow question.

Planned video: V-RAT-029 · Video coming soon

Worksheets

Worksheets coming soon

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