Keystones — Cornerstone
Five GCSE retrieval questions · 16 February 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 32 + 85
Answer: 32 + 85 = 117 -
2. Algebra
Factorise: 7x² + 7x
Answer: 7x(x + 1) -
3. Geometry
Opposite = 13cm, adjacent = 15cm. Calculate the angle
Answer: 40.9° -
4. Ratio
Calculate 25% of 66
Answer: 16.5 -
5. Statistics
Find the mean of: 16, 19, 10
Answer: 15