Keystones — Capstone
Five GCSE retrieval questions · 12 October 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 2.9 × 107 × 4.1 × 106
Answer: 1.19 × 1014 -
2. Algebra Inequalities with unknowns on both sides
Solve: 4x + 5 ≤ 2x - 7
Answer: x ≤ 6 -
3. Geometry Area using Pythagoras
Calculate the area of a right triangle with perpendicular sides 14cm and 6cm
Answer: 42cm² -
4. Ratio Ratio given the difference
In ratio 8:3, the difference between shares is 105. What is the total?
Answer: 231 -
5. Statistics Mode
Find the mode of: 26, 13, 70, 41, 65
Answer: No mode