Keystones — Lintel
Five GCSE retrieval questions · 21 August 2026 · mathsvault.uk/keystones
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1. Number Four operations with fractions
Subtract: 3⁄5 - 3⁄5
Answer: 0⁄1 -
2. Algebra Inequalities with unknowns on both sides
Solve: 10x - 10 > 3x + 32
Answer: x > 6 -
3. Geometry Speed, distance and time
How long does it take to travel 349km at 58km/h?
Answer: 6 hours -
4. Ratio Ratio given the difference
In ratio 8:5, the difference between shares is 66. What is the total?
Answer: 286 -
5. Statistics Simple probability
A spinner has 5 red, 2 blue and 5 green sections. Probability of landing on red?
Answer: 5⁄12