Keystones — Lintel
Five GCSE retrieval questions · 6 October 2026 · mathsvault.uk/keystones
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1. Number Four operations with fractions
Calculate: 7⁄5 × 5
Answer: 7 -
2. Algebra Inequalities with unknowns on both sides
Solve: 5x + 4 ≤ x - 9
Answer: x ≤ 3.3 -
3. Geometry Speed, distance and time
A cyclist travels 394km in 8 hours. What is their average speed?
Answer: 49.25km/h -
4. Ratio Ratio given the difference
A and B share in ratio 4:1. If the difference is 66, what does A get?
Answer: 88 -
5. Statistics Simple probability
A bag has 4 red and 6 blue balls. What is the probability of picking a red ball?
Answer: 2⁄5