Keystones — Bedrock
Five GCSE retrieval questions · 28 July 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 33 + 23
Answer: 33 + 23 = 56 -
2. Algebra
Expand: 2(x + 3)
Answer: 2x + 6 -
3. Geometry
Find the area of a circle with radius 5cm
Answer: 78.54cm² -
4. Ratio
Calculate 25% of 148
Answer: 37 -
5. Statistics
Find the mean of: 12, 17, 6, 9
Answer: 11