Keystones — Bedrock
Five GCSE retrieval questions · 30 May 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 23 + 40
Answer: 23 + 40 = 63 -
2. Algebra
Solve: x + 6 = 10
Answer: x = 4 -
3. Geometry
Opposite = 14cm, hypotenuse = 19.8cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 28:24
Answer: 7:6 -
5. Statistics
Find the mean of: 6, 17, 2, 7
Answer: 8