Keystones — Cornerstone
Five GCSE retrieval questions · 11 March 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 963 + 699
Answer: 963 + 699 = 1662 -
2. Algebra
Solve: 8x - 9 = 5x + 18
Answer: x = 9 -
3. Geometry
Opposite = 11cm, adjacent = 18cm. Calculate the angle
Answer: 31.4° -
4. Ratio
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics
Calculate the mean of: 20, 25, 22, 36, 29, 31, 46, 35
Answer: 30.5