Keystones — Capstone
Five GCSE retrieval questions · 11 July 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 7.5 × 107 × 2.7 × 104
Answer: 2.03 × 1012 -
2. Algebra Inequalities with unknowns on both sides
Solve: 3x + 9 ≤ x - 2
Answer: x ≤ 5.5 -
3. Geometry Area using Pythagoras
Calculate the area of a right triangle with perpendicular sides 9cm and 13cm
Answer: 58.5cm² -
4. Ratio Ratio given the difference
In ratio 5:3, the difference between shares is 44. What is the total?
Answer: 176 -
5. Statistics Mode
Find the mode of: 17, 57, 29, 74, 41
Answer: No mode