Keystones — Bedrock
Five GCSE retrieval questions · 15 December 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 73 + 86
Answer: 73 + 86 = 159 -
2. Algebra
Find the next term: 15, 18, 21, 24, ...
Answer: 27 -
3. Geometry
Find the area of a right triangle with base 4cm and height 10cm
Answer: 20cm² -
4. Ratio
Simplify the ratio 15:35
Answer: 3:7 -
5. Statistics
Find the mean of: 15, 12, 16, 16, 11
Answer: 14