Keystones — Lintel
Five GCSE retrieval questions · 24 March 2026 · mathsvault.uk/keystones
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1. Number Four operations with fractions
Calculate: 6⁄4 ÷ 3
Answer: 1⁄2 -
2. Algebra Inequalities with unknowns on both sides
Solve: 5x - 12 > 3x + -4
Answer: x > 4 -
3. Geometry Speed, distance and time
A cyclist travels 355km in 2 hours. What is their average speed?
Answer: 177.5km/h -
4. Ratio Ratio given the difference
In ratio 9:4, the difference between shares is 160. What is the total?
Answer: 416 -
5. Statistics Simple probability
A bag has 6 red and 6 blue balls. What is the probability of picking a red ball?
Answer: 1⁄2