Keystones — Lintel
Five GCSE retrieval questions · 14 August 2021 · mathsvault.uk/keystones
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1. Number
Find the total of 106, 154, and 116
Answer: 376 -
2. Algebra
Factorise fully: 9x² + 12x
Answer: 3x(3x + 4) -
3. Geometry
Adjacent = 16cm, hypotenuse = 23cm. Find the angle
Answer: 45.9° -
4. Ratio
Simplify: 8:6:6
Answer: 4:3:3 -
5. Statistics
A spinner has 2 red, 4 blue and 2 green sections. Probability of landing on red?
Answer: 1⁄4