Keystones — Cornerstone
Five GCSE retrieval questions · 12 November 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 689 + 102
Answer: 689 + 102 = 791 -
2. Algebra
Solve: 7x = 70
Answer: x = 10 -
3. Geometry
Calculate the area of a circle with diameter 11cm
Answer: 95.03cm² -
4. Ratio
Find 42% of 349
Answer: 146.58 -
5. Statistics
Find the mean of: 8, 6, 6, 3, 16
Answer: 7.8