Keystones — Lintel

Five GCSE retrieval questions · 29 April 2022 · mathsvault.uk/keystones

1. Number

Simplify: x⁵ × x⁴

Answer: x⁹
2. Algebra

Solve: ^x⁄₅ = 4.8

Answer: x = 24
3. Geometry

Adjacent = 18cm, hypotenuse = 23cm. Find the angle

Answer: 38.5°
4. Ratio

Simplify the ratio 4m:400cm

Answer: 1:100
5. Statistics

A bag has 5 red and 7 blue balls. What is the probability of picking a red ball?

Answer: ⁵⁄₁₂

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.