Keystones — Cornerstone
Five GCSE retrieval questions · 21 June 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 67 + 21
Answer: 67 + 21 = 88 -
2. Algebra
What is the next term? 2, 4, 8, 16, ...
Answer: 32 -
3. Geometry
Opposite = 14cm, adjacent = 12cm. Calculate the angle
Answer: 49.4° -
4. Ratio
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics
Find the mean of: 15, 14, 17, 19
Answer: 16.25