Keystones — Bedrock
Five GCSE retrieval questions · 28 July 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 11 + 17
Answer: 11 + 17 = 28 -
2. Algebra
Solve: x + 2 = 18
Answer: x = 16 -
3. Geometry
Find the area of a right triangle with base 12cm and height 9cm
Answer: 54cm² -
4. Ratio
Simplify the ratio 32:12
Answer: 8:3 -
5. Statistics
Find the mean of: 10, 11, 5, 19
Answer: 11.25