Keystones — Lintel
Five GCSE retrieval questions · 3 February 2026 · mathsvault.uk/keystones
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1. Number Four operations with fractions
Multiply: 2⁄6 × 3⁄3 × 3⁄4
Answer: 1⁄4 -
2. Algebra Inequalities with unknowns on both sides
Solve: 4x + 10 ≤ x - 10
Answer: x ≤ 6.7 -
3. Geometry Speed, distance and time
A cyclist travels 186km in 6 hours. What is their average speed?
Answer: 31km/h -
4. Ratio Ratio given the difference
In ratio 5:2, the difference between shares is 72. What is the total?
Answer: 168 -
5. Statistics Simple probability
A bag has 7 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 7⁄10