Keystones — Cornerstone
Five GCSE retrieval questions · 13 August 2023 · mathsvault.uk/keystones
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1. Number
Find the total of 105, 119, and 89
Answer: 313 -
2. Algebra
Simplify: 8x + 9x
Answer: 17x -
3. Geometry
Find the area of a circle with radius 8cm
Answer: 201.06cm² -
4. Ratio
Simplify: 4:8:8
Answer: 1:2:2 -
5. Statistics
Calculate the mean of: 27, 15, 13, 32, 38, 19
Answer: 24