Keystones — Cornerstone
Five GCSE retrieval questions · 29 May 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 68 + 36
Answer: 68 + 36 = 104 -
2. Algebra
Solve: 4x = 16
Answer: x = 4 -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Simplify the ratio 10:8
Answer: 5:4 -
5. Statistics
Calculate the mean of: 34, 39, 38, 32, 21, 26, 44, 28
Answer: 32.8