Keystones — Lintel
Five GCSE retrieval questions · 22 November 2021 · mathsvault.uk/keystones
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1. Number
Find the total of 201, 175, and 142
Answer: 518 -
2. Algebra
Factorise fully: 6x² + 9x
Answer: 3x(2x + 3) -
3. Geometry
Adjacent = 20cm, hypotenuse = 40cm. Find the angle
Answer: 60° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 5 blue and 6 green sections. Probability of landing on red?
Answer: 4⁄15