Keystones — Lintel
Five GCSE retrieval questions · 28 August 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 991 + 669
Answer: 1660 -
2. Algebra
Solve: 5x = 20
Answer: x = 4 -
3. Geometry
Calculate the area of a circle with diameter 13cm
Answer: 132.73cm² -
4. Ratio
Calculate 12.6% of 437
Answer: 55.06 -
5. Statistics
Calculate the mean of: 16, 44, 19, 35, 30, 40, 7, 32
Answer: 27.9