Keystones Lintel — 5 November 2013

Keystones — Lintel

Five GCSE retrieval questions · 5 November 2013 · mathsvault.uk/keystones

1. Number Converting to standard form

Write 82,000,000 in standard form

Answer: 8.2 × 10⁷
2. Algebra Factorising monic quadratics

Factorise: x² - 11x + 24

Answer: (x - 3)(x - 8)
3. Geometry SOHCAHTOA — missing length

Hypotenuse = 40cm, angle = 30°. Find adjacent side. Give your answer to 2 decimal places

Answer: 34.64cm
4. Ratio Mixed ratio problems

Simplify: 8:10:4

Answer: 4:5:2
5. Statistics Mean

Calculate the mean of: 5, 26, 7, 46, 34, 5

Answer: 20.5

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.