Keystones — Bedrock
Five GCSE retrieval questions · 2 November 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 73 + 87
Answer: 73 + 87 = 160 -
2. Algebra
Solve: x + 3 = 11
Answer: x = 8 -
3. Geometry
Find the area of a right triangle with base 7cm and height 6cm
Answer: 21cm² -
4. Ratio
Simplify the ratio 21:12
Answer: 7:4 -
5. Statistics
Find the mean of: 8, 6, 12
Answer: 8.6666666666667