M-RAT-016Foundation & HigherReview: Pending

Combine ratios with a shared quantity

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: Equivalent ratios and common multiples
Fluency: Two linked ratios with a common part
Reasoning: Explain part-part and part-whole statements.
Application: Compare a three-component mixture
Common misconception: A ratio part is not automatically a fraction of the whole.

Video brief

Model how to combine ratios with a shared quantity. Explain each step; pause for a matching shadow question.

Planned video: V-RAT-016 · Video coming soon

Worksheets

Worksheets coming soon

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