Keystones — Lintel
Five GCSE retrieval questions · 21 February 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 312 + 337
Answer: 312 + 337 = 649 -
2. Algebra
Factorise fully: 16x² + 12x
Answer: 4x(4x + 3) -
3. Geometry
Adjacent = 20cm, hypotenuse = 38cm. Find the angle
Answer: 58.2° -
4. Ratio
Calculate 33.4% of 302
Answer: 100.87 -
5. Statistics
Calculate the mean of: 24, 10, 25, 32, 37, 45
Answer: 28.8