Keystones — Cornerstone
Five GCSE retrieval questions · 15 February 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 56 + 85
Answer: 56 + 85 = 141 -
2. Algebra
Solve: 9x = 54
Answer: x = 6 -
3. Geometry
Opposite = 11cm, hypotenuse = 12.7cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 25% of 82
Answer: 20.5 -
5. Statistics
Find the mean of: 2, 10, 15
Answer: 9