M-RAT-014Foundation & HigherReview: Pending

Find missing amounts from a known share or difference

Ratio and proportion · Ratio (T-RAT-003)

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: Value of one ratio part
Fluency: Known share and difference problems
Reasoning: Explain part-part and part-whole statements.
Application: Recover total quantities from partial information
Common misconception: A ratio part is not automatically a fraction of the whole.

Video brief

Model how to find missing amounts from a known share or difference. Explain each step; pause for a matching shadow question.

Planned video: V-RAT-014 · Video coming soon

Worksheets

Worksheets coming soon

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