Keystones — Lintel
Five GCSE retrieval questions · 9 May 2023 · mathsvault.uk/keystones
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1. Number
Find the total of 115, 141, and 138
Answer: 394 -
2. Algebra
Factorise: 7x² + 6x
Answer: x(7x + 6) -
3. Geometry
Adjacent = 19cm, hypotenuse = 32cm. Find the angle
Answer: 53.6° -
4. Ratio
Simplify: 6:15:12
Answer: 2:5:4 -
5. Statistics
A spinner has 3 red, 6 blue and 2 green sections. Probability of landing on red?
Answer: 3⁄11