Keystones — Lintel
Five GCSE retrieval questions · 14 May 2026 · mathsvault.uk/keystones
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1. Number Four operations with fractions
Calculate: 11⁄14 - 2⁄14 - 3⁄14
Answer: 3⁄7 -
2. Algebra Inequalities with unknowns on both sides
Solve: 6x + 6 ≤ 5x - 9
Answer: x ≤ 15 -
3. Geometry Speed, distance and time
A cyclist travels 329km in 2 hours. What is their average speed?
Answer: 164.5km/h -
4. Ratio Ratio given the difference
In ratio 3:1, the difference between shares is 156. What is the total?
Answer: 312 -
5. Statistics Simple probability
A bag has 8 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 8⁄15