Keystones — Capstone
Five GCSE retrieval questions · 5 April 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 6.3 × 105 × 6.3 × 105
Answer: 3.97 × 1011 -
2. Algebra Inequalities with unknowns on both sides
Solve: 3x + 7 ≤ x - 8
Answer: x ≤ 7.5 -
3. Geometry Area using Pythagoras
A right triangle has hypotenuse 17cm and one side 8cm. Find its area
Answer: 60cm² -
4. Ratio Ratio given the difference
In ratio 8:3, the difference between shares is 220. What is the total?
Answer: 484 -
5. Statistics Mode
Find the mode of: 41, 26, 60, 17, 72
Answer: No mode