Keystones — Bedrock
Five GCSE retrieval questions · 30 September 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 8.7 + 7.2
Answer: 8.7 + 7.2 = 15.9 -
2. Algebra
Find the next term: 20, 25, 30, 35, ...
Answer: 40 -
3. Geometry
Opposite = 15cm, hypotenuse = 30cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics
Find the mean of: 20, 8, 5
Answer: 11