Keystones — Lintel

Five GCSE retrieval questions · 20 August 2024 · mathsvault.uk/keystones

1. Number

Calculate: ¹⁄₄ + ²⁄₅ + ¹⁄₅

Answer: ¹⁷⁄₂₀
2. Algebra

Solve: ^x⁄₅ = 4.6

Answer: x = 23
3. Geometry

Find perimeter: adjacent = 20cm, angle = 42°

Answer: 64.9cm
4. Ratio

Simplify the ratio 4m:400cm

Answer: 1:100
5. Statistics

A bag has 4 red and 5 blue balls. What is the probability of picking a red ball?

Answer: ⁴⁄₉

Same five questions for everyone on Lintel on this date. Sets are stored as JSON for reliable print-on-demand — sign in for school-branded PDFs.