Keystones — Bedrock
Five GCSE retrieval questions · 25 March 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 6.4 + 7.4
Answer: 6.4 + 7.4 = 13.8 -
2. Algebra
Find the next term: 24, 32, 40, 48, ...
Answer: 56 -
3. Geometry
Opposite = 6cm, hypotenuse = 12cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics
Find the mean of: 4, 20, 4, 7, 6
Answer: 8.2