Keystones — Cornerstone
Five GCSE retrieval questions · 1 April 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 52 + 64
Answer: 52 + 64 = 116 -
2. Algebra
What is the next term? 3, 9, 27, 81, ...
Answer: 243 -
3. Geometry
Opposite = 14cm, adjacent = 16cm. Calculate the angle
Answer: 41.2° -
4. Ratio
Find 46% of 187
Answer: 86.02 -
5. Statistics
Find the mean of: 20, 17, 10
Answer: 15.666666666667