Keystones — Lintel
Five GCSE retrieval questions · 22 January 2022 · mathsvault.uk/keystones
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1. Number
Find the total of 171, 297, and 88
Answer: 556 -
2. Algebra
Factorise fully: 4x² + 10x
Answer: 2x(2x + 5) -
3. Geometry
Adjacent = 28cm, hypotenuse = 37cm. Find the angle
Answer: 40.8° -
4. Ratio
Find 27% of 97
Answer: 26.19 -
5. Statistics
Calculate the mean of: 26, 10, 21, 32, 21, 49
Answer: 26.5