Keystones — Lintel
Five GCSE retrieval questions · 4 March 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 991 + 627
Answer: 1618 -
2. Algebra
Factorise: 2x² + 6x
Answer: 2x(x + 3) -
3. Geometry
A circle has area 201.cm². Find its radius (dp)
Answer: 8cm -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 2 blue and 3 green sections. Probability of landing on red?
Answer: 1⁄2