Keystones — Bedrock
Five GCSE retrieval questions · 14 May 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 77 + 98
Answer: 77 + 98 = 175 -
2. Algebra
Simplify: 7x + 9x
Answer: 16x -
3. Geometry
Find the area of a circle with radius 7cm
Answer: 153.94cm² -
4. Ratio
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics
Find the mean of: 19, 16, 19
Answer: 18