Keystones — Capstone
Five GCSE retrieval questions · 22 May 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 3.3 × 104 × 4.2 × 105
Answer: 1.39 × 1010 -
2. Algebra Inequalities with unknowns on both sides
Solve: 4x + 9 ≤ 2x - 6
Answer: x ≤ 7.5 -
3. Geometry Area using Pythagoras
Calculate the area of a right triangle with perpendicular sides 14cm and 8cm
Answer: 56cm² -
4. Ratio Ratio given the difference
In ratio 5:3, the difference between shares is 74. What is the total?
Answer: 296 -
5. Statistics Mode
Find the mode of: 75, 41, 33, 16, 63
Answer: No mode