Keystones — Cornerstone
Five GCSE retrieval questions · 19 May 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 42 + 50
Answer: 42 + 50 = 92 -
2. Algebra
Factorise: 6x + 14
Answer: 2(3x + 7) -
3. Geometry
Find the area of a circle with radius 4cm
Answer: 50.27cm² -
4. Ratio
Find 66% of 444
Answer: 293.04 -
5. Statistics
Find the mean of: 16, 3, 4, 18
Answer: 10.25