Keystones — Capstone
Five GCSE retrieval questions · 18 May 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 3.1 × 105 × 6 × 104
Answer: 1.86 × 1010 -
2. Algebra Inequalities with unknowns on both sides
Solve: 7x + 4 ≤ 6x - 3
Answer: x ≤ 7 -
3. Geometry Area using Pythagoras
A right triangle has hypotenuse 5cm and one side 3cm. Find its area
Answer: 6cm² -
4. Ratio Ratio given the difference
In ratio 5:3, the difference between shares is 92. What is the total?
Answer: 368 -
5. Statistics Mode
Find the mode of: 62, 16, 34, 70, 42
Answer: No mode