Keystones — Bedrock
Five GCSE retrieval questions · 28 October 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 7.8 + 9.9
Answer: 7.8 + 9.9 = 17.7 -
2. Algebra
Find the next term: 8, 16, 24, 32, ...
Answer: 40 -
3. Geometry
Opposite = 15cm, hypotenuse = 30cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 15:12
Answer: 5:4 -
5. Statistics
Find the mean of: 11, 20, 13, 12, 7
Answer: 12.6