Keystones — Bedrock
Five GCSE retrieval questions · 26 September 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 21 + 23
Answer: 21 + 23 = 44 -
2. Algebra
Find the next term: 23, 30, 37, 44, ...
Answer: 51 -
3. Geometry
Find the area of a right triangle with base 4cm and height 4cm
Answer: 8cm² -
4. Ratio
In ratio 4:3, the difference between shares is 29. What are the shares?
Answer: 116 and 87 -
5. Statistics
Find the mean of: 2, 6, 10
Answer: 6