Keystones — Bedrock
Five GCSE retrieval questions · 20 August 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 2 + (-10)
Answer: -8 -
2. Algebra
Solve: x + 2 = 6
Answer: x = 4 -
3. Geometry
Opposite = 9cm, hypotenuse = 12.7cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 12:10
Answer: 6:5 -
5. Statistics
Find the mean of: 14, 18, 11, 8
Answer: 12.75