Keystones — Cornerstone
Five GCSE retrieval questions · 11 June 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 87 + 25
Answer: 87 + 25 = 112 -
2. Algebra
Solve: 4x = 24
Answer: x = 6 -
3. Geometry
Opposite = 12cm, hypotenuse = 13.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 50% of 111
Answer: 55.5 -
5. Statistics
Find the mean of: 13, 12, 5, 5, 20
Answer: 11