Keystones — Lintel

Five GCSE retrieval questions · 20 June 2026 · mathsvault.uk/keystones

1. Number

Add: 21.43 + 87.9

Answer: 21.43 + 87.9 = 109.33
2. Algebra

Factorise: 5x² + 2x

Answer: x(5x + 2)
3. Geometry

Opposite = 17cm, adjacent = 19cm. Calculate the angle

Answer: 41.8°
4. Ratio

Simplify the ratio 8m:800cm

Answer: 1:100
5. Statistics

A spinner has 3 red, 3 blue and 2 green sections. Probability of landing on red?

Answer: ³⁄₈

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.