Keystones — Lintel
Five GCSE retrieval questions · 2 January 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 991 + 850
Answer: 1841 -
2. Algebra
Factorise fully: 14x² + 4x
Answer: 2x(7x + 2) -
3. Geometry
Find the distance between (-3, -1) and (9, 12)
Answer: 17.69 -
4. Ratio
Simplify: 6:9:15
Answer: 2:3:5 -
5. Statistics
A spinner has 6 red, 3 blue and 5 green sections. Probability of landing on red?
Answer: 3⁄7