Keystones — Capstone
Five GCSE retrieval questions · 15 February 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 6.8 × 104 × 9.3 × 103
Answer: 6.32 × 108 -
2. Algebra Inequalities with unknowns on both sides
Solve: 4x + 6 ≤ x - 2
Answer: x ≤ 2.7 -
3. Geometry Area using Pythagoras
A right triangle has hypotenuse 10cm and one side 6cm. Find its area
Answer: 24cm² -
4. Ratio Ratio given the difference
In ratio 7:5, the difference between shares is 46. What is the total?
Answer: 276 -
5. Statistics Mode
Find the mode of: 41, 77, 57, 18, 30
Answer: No mode