Keystones — Bedrock
Five GCSE retrieval questions · 11 February 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 53 + 68
Answer: 53 + 68 = 121 -
2. Algebra
Factorise: 12x + 30
Answer: 6(2x + 5) -
3. Geometry
Find the area of a right triangle with base 4cm and height 11cm
Answer: 22cm² -
4. Ratio
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics
Find the median of: 11, 15, 15, 19, 11
Answer: 15