Keystones — Capstone
Five GCSE retrieval questions · 14 February 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 8.2 × 105 × 9.7 × 105
Answer: 7.95 × 1011 -
2. Algebra Inequalities with unknowns on both sides
Solve: 5x + 7 ≤ 4x - 2
Answer: x ≤ 9 -
3. Geometry Area using Pythagoras
Calculate the area of a right triangle with perpendicular sides 7cm and 8cm
Answer: 28cm² -
4. Ratio Ratio given the difference
In ratio 3:2, the difference between shares is 76. What is the total?
Answer: 380 -
5. Statistics Mode
Find the mode of: 40, 55, 79, 15, 33
Answer: No mode