Keystones — Cornerstone
Five GCSE retrieval questions · 27 March 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 52 + 52
Answer: 52 + 52 = 104 -
2. Algebra
Find the next term: 21, 30, 39, 48, ...
Answer: 57 -
3. Geometry
Opposite = 9cm, adjacent = 16cm. Calculate the angle
Answer: 29.4° -
4. Ratio
Simplify: 12:10:6
Answer: 6:5:3 -
5. Statistics
Calculate the mean of: 42, 21, 17, 48, 32, 30, 24
Answer: 30.6