Keystones — Lintel
Five GCSE retrieval questions · 6 September 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 201 + 962
Answer: 201 + 962 = 1163 -
2. Algebra
Factorise fully: 8x² + 4x
Answer: 2x(4x + 2) -
3. Geometry
Opposite = 11cm, adjacent = 15cm. Calculate the angle
Answer: 36.3° -
4. Ratio
Calculate 28.7% of 635
Answer: 182.25 -
5. Statistics
A spinner has 2 red, 4 blue and 4 green sections. Probability of landing on red?
Answer: 1⁄5