Keystones — Bedrock
Five GCSE retrieval questions · 25 July 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 9.3 + 3.1
Answer: 9.3 + 3.1 = 12.4 -
2. Algebra
Find the next term: 7, 11, 15, 19, ...
Answer: 23 -
3. Geometry
Opposite = 6cm, hypotenuse = 8.5cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 8:28
Answer: 2:7 -
5. Statistics
Find the mean of: 9, 9, 19
Answer: 12.333333333333