Keystones — Cornerstone
Five GCSE retrieval questions · 9 October 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 94 + 37
Answer: 94 + 37 = 131 -
2. Algebra
Solve: 6x = 54
Answer: x = 9 -
3. Geometry
Opposite = 11cm, adjacent = 15cm. Calculate the angle
Answer: 36.3° -
4. Ratio
Simplify: 18:9:6
Answer: 6:3:2 -
5. Statistics
Find the mean of: 10, 3, 18, 9
Answer: 10