M-GEO-030Foundation & HigherReview: Pending

Calculate perimeters and missing side lengths

Geometry and measures · Perimeter (T-GEO-015)

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: Add lengths and identify equal sides
Fluency: Rectilinear and composite boundaries
Reasoning: Explain which boundary lengths should be included.
Application: Find fencing needed while excluding a gate
Common misconception: Perimeter and area measure different things.

Video brief

Model how to calculate perimeters and missing side lengths. Explain each step; pause for a matching shadow question.

Planned video: V-GEO-030 · Video coming soon

Worksheets

Worksheets coming soon

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