Keystones — Capstone
Five GCSE retrieval questions · 23 May 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 7.8 × 107 × 2.9 × 103
Answer: 2.26 × 1011 -
2. Algebra Inequalities with unknowns on both sides
Solve: 3x + 6 ≤ x - 5
Answer: x ≤ 5.5 -
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 8:3, the difference between shares is 195. What is the total?
Answer: 429 -
5. Statistics Mode
Find the mode of: 16, 28, 77, 43, 60
Answer: No mode