Keystones — Cornerstone
Five GCSE retrieval questions · 12 October 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 46 + 58
Answer: 46 + 58 = 104 -
2. Algebra
Factorise: 8x + 14
Answer: 2(4x + 7) -
3. Geometry
Find the area of a circle with radius 10cm
Answer: 314.16cm² -
4. Ratio
Find 72% of 433
Answer: 311.76 -
5. Statistics
Calculate the mean of: 47, 34, 46, 42, 7, 29
Answer: 34.2