Keystones — Lintel
Five GCSE retrieval questions · 21 June 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄6 + 2⁄3 + 2⁄5
Answer: 7⁄5 -
2. Algebra
Factorise fully: 21x² + 12x
Answer: 3x(7x + 4) -
3. Geometry
Opposite = 9cm, adjacent = 12cm. Calculate the angle
Answer: 36.9° -
4. Ratio
Find 30% of 404
Answer: 121.2 -
5. Statistics
A spinner has 4 red, 6 blue and 4 green sections. Probability of landing on red?
Answer: 2⁄7