Keystones — Cornerstone
Five GCSE retrieval questions · 3 February 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 56 + 27
Answer: 56 + 27 = 83 -
2. Algebra
Simplify: 7x + 9x
Answer: 16x -
3. Geometry
Opposite = 10cm, adjacent = 11cm. Calculate the angle
Answer: 42.3° -
4. Ratio
Calculate 50% of 55
Answer: 27.5 -
5. Statistics
Find the mean of: 20, 2, 5, 7, 11
Answer: 9