Keystones — Capstone
Five GCSE retrieval questions · 24 August 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 4.1 × 104 × 7.7 × 106
Answer: 3.16 × 1011 -
2. Algebra Inequalities with unknowns on both sides
Solve: 5x + 7 ≤ 3x - 4
Answer: x ≤ 5.5 -
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 200. What is the total?
Answer: 440 -
5. Statistics Mode
Find the mode of: 14, 35, 61, 42, 79
Answer: No mode