Keystones — Bedrock
Five GCSE retrieval questions · 11 March 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 19 + 43
Answer: 19 + 43 = 62 -
2. Algebra
Find the midpoint of (2, 8) and (10, 15)
Answer: (6, 11.5) -
3. Geometry
Opposite = 10cm, hypotenuse = 20cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 15:9
Answer: 5:3 -
5. Statistics
Find the mean of: 2, 5, 19, 17
Answer: 10.75