Keystones — Bedrock
Five GCSE retrieval questions · 12 September 2025 · mathsvault.uk/keystones
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1. Number
Multiply: 86 × 3
Answer: 86 × 3 = 258 -
2. Algebra
Simplify: 9x + 8x
Answer: 17x -
3. Geometry
Opposite = 6cm, hypotenuse = 6.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 9:12
Answer: 3:4 -
5. Statistics
Find the mean of: 3, 10, 3, 2, 3
Answer: 4.2