Keystones — Cornerstone
Five GCSE retrieval questions · 7 January 2024 · mathsvault.uk/keystones
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1. Number
What is 6.6 + 7.87 + 0.64?
Answer: 6.6 + 7.87 + 0.64 = 15.11 -
2. Algebra
Find the next term: 28, 35, 42, 49, ...
Answer: 56 -
3. Geometry
Calculate the area of a circle with diameter 24cm
Answer: 452.39cm² -
4. Ratio
Calculate 25% of 94
Answer: 23.5 -
5. Statistics
Calculate the mean of: 45, 31, 47, 44, 12, 38, 46
Answer: 37.6