Keystones — Capstone
Five GCSE retrieval questions · 20 May 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 4.7 × 105 × 9.1 × 103
Answer: 4.28 × 109 -
2. Algebra Inequalities with unknowns on both sides
Solve: 8x + 11 ≤ 6x - 5
Answer: x ≤ 8 -
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 3:2, the difference between shares is 78. What is the total?
Answer: 390 -
5. Statistics Mode
Find the mode of: 35, 13, 50, 65, 75
Answer: No mode