Keystones — Cornerstone
Five GCSE retrieval questions · 27 August 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 2² × 7
Answer: 28 -
2. Algebra
What is the next term? 8, 32, 128, 512, ...
Answer: 2048 -
3. Geometry
Opposite = 14cm, adjacent = 18cm. Calculate the angle
Answer: 37.9° -
4. Ratio
Simplify: 8:4:12
Answer: 2:1:3 -
5. Statistics
Calculate the mean of: 19, 39, 45, 48, 10, 40, 23
Answer: 32