Keystones — Cornerstone
Five GCSE retrieval questions · 8 September 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 542 + 250
Answer: 542 + 250 = 792 -
2. Algebra
Solve: 3x = 12
Answer: x = 4 -
3. Geometry
Opposite = 18cm, adjacent = 13cm. Calculate the angle
Answer: 54.2° -
4. Ratio
Calculate 10% of 161
Answer: 16.1 -
5. Statistics
Find the mean of: 17, 17, 5, 13, 8
Answer: 12