Keystones — Lintel
Five GCSE retrieval questions · 17 August 2026 · mathsvault.uk/keystones
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1. Number Four operations with fractions
Multiply: 1⁄3 × 4⁄5 × 4⁄2
Answer: 8⁄15 -
2. Algebra Inequalities with unknowns on both sides
Solve: 7x - 7 > 3x + 5
Answer: x > 3 -
3. Geometry Speed, distance and time
A cyclist travels 379km in 6 hours. What is their average speed?
Answer: 63.166666666667km/h -
4. Ratio Ratio given the difference
In ratio 9:4, the difference between shares is 185. What is the total?
Answer: 481 -
5. Statistics Simple probability
A bag has 3 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 3⁄8