Keystones — Lintel
Five GCSE retrieval questions · 21 July 2022 · mathsvault.uk/keystones
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1. Number
Find the total of 279, 275, and 94
Answer: 648 -
2. Algebra
Factorise fully: 8x² + 28x
Answer: 4x(2x + 7) -
3. Geometry
Opposite = 9cm, adjacent = 20cm. Calculate the angle
Answer: 24.2° -
4. Ratio
Calculate 16.8% of 270
Answer: 45.36 -
5. Statistics
Find the range of: 18, 20, -3, -10, 20
Answer: 30