Keystones — Lintel
Five GCSE retrieval questions · 11 September 2021 · mathsvault.uk/keystones
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1. Number
Find the total of 202, 242, and 120
Answer: 564 -
2. Algebra
Factorise fully: 24x² + 28x
Answer: 4x(6x + 7) -
3. Geometry
Adjacent = 25cm, hypotenuse = 33cm. Find the angle
Answer: 40.7° -
4. Ratio
Simplify: 6:4:6
Answer: 3:2:3 -
5. Statistics
A spinner has 6 red, 6 blue and 5 green sections. Probability of landing on red?
Answer: 6⁄17