Keystones — Cornerstone
Five GCSE retrieval questions · 31 October 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 961 + 827
Answer: 961 + 827 = 1788 -
2. Algebra
Factorise: 4x² + 5x
Answer: x(4x + 5) -
3. Geometry
Opposite = 9cm, adjacent = 10cm. Calculate the angle
Answer: 42° -
4. Ratio
Simplify: 6:8:8
Answer: 3:4:4 -
5. Statistics
Find the mean of: 3, 7, 11, 13, 7
Answer: 8.2