Keystones — Cornerstone
Five GCSE retrieval questions · 23 November 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 42 + 69
Answer: 42 + 69 = 111 -
2. Algebra
What is the next term? 2, 8, 32, 128, ...
Answer: 512 -
3. Geometry
Opposite = 20cm, adjacent = 18cm. Calculate the angle
Answer: 48° -
4. Ratio
Simplify: 12:16:24
Answer: 3:4:6 -
5. Statistics
Calculate the mean of: 44, 25, 8, 30, 12, 22, 6
Answer: 21