Keystones — Lintel
Five GCSE retrieval questions · 18 December 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 995 + 627
Answer: 1622 -
2. Algebra
Factorise fully: 24x² + 20x
Answer: 4x(6x + 5) -
3. Geometry
Find the distance between (-7, -3) and (9, 6)
Answer: 18.36 -
4. Ratio
Calculate 16% of 880
Answer: 140.8 -
5. Statistics
A spinner has 3 red, 2 blue and 4 green sections. Probability of landing on red?
Answer: 1⁄3