Keystones — Bedrock
Five GCSE retrieval questions · 16 March 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 2.4 + 4.8
Answer: 2.4 + 4.8 = 7.2 -
2. Algebra
Solve: x + 3 = 12
Answer: x = 9 -
3. Geometry
Opposite = 13cm, hypotenuse = 15cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics
Find the mean of: 17, 7, 2
Answer: 8.6666666666667