Keystones — Cornerstone
Five GCSE retrieval questions · 13 February 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 48 + 57
Answer: 48 + 57 = 105 -
2. Algebra
Find the next term: 21, 23, 25, 27, ...
Answer: 29 -
3. Geometry
Opposite = 15cm, adjacent = 17cm. Calculate the angle
Answer: 41.4° -
4. Ratio
Simplify: 18:15:9
Answer: 6:5:3 -
5. Statistics
Find the mean of: 18, 4, 10, 14
Answer: 11.5