Keystones — Capstone
Five GCSE retrieval questions · 26 August 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 7.4 × 107 × 8.7 × 105
Answer: 6.44 × 1013 -
2. Algebra Inequalities with unknowns on both sides
Solve: 7x + 4 ≤ 6x - 7
Answer: x ≤ 11 -
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 4:1, the difference between shares is 198. What is the total?
Answer: 330 -
5. Statistics Mode
Find the mode of: 64, 14, 73, 41, 33
Answer: No mode