Keystones — Lintel
Five GCSE retrieval questions · 7 November 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 994 + 820
Answer: 1814 -
2. Algebra
Factorise: 2x² + 2x
Answer: 2x(x + 1) -
3. Geometry
Calculate the area of a circle with diameter 10cm
Answer: 78.54cm² -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 2 red, 4 blue and 4 green sections. Probability of landing on red?
Answer: 1⁄5