Keystones — Lintel
Five GCSE retrieval questions · 22 June 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 361 + 195
Answer: 361 + 195 = 556 -
2. Algebra
Solve: 3x = 33
Answer: x = 11 -
3. Geometry
Calculate the area of a circle with diameter 9cm
Answer: 63.62cm² -
4. Ratio
Calculate 33.8% of 788
Answer: 266.34 -
5. Statistics
Calculate the mean of: 46, 20, 16, 6, 32, 13, 23
Answer: 22.3