Keystones — Lintel
Five GCSE retrieval questions · 1 July 2026 · mathsvault.uk/keystones
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1. Number Four operations with fractions
Calculate: 6⁄9 × 2
Answer: 4⁄3 -
2. Algebra Inequalities with unknowns on both sides
Solve: 9x - 5 > 7x + 11
Answer: x > 8 -
3. Geometry Speed, distance and time
How long does it take to travel 477km at 44km/h?
Answer: 10.8 hours -
4. Ratio Ratio given the difference
In ratio 3:1, the difference between shares is 136. What is the total?
Answer: 272 -
5. Statistics Simple probability
A bag has 6 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 6⁄13