Keystones — Cornerstone
Five GCSE retrieval questions · 14 July 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 24 + 81
Answer: 24 + 81 = 105 -
2. Algebra
Solve: 6x + 6 = 4x + 22
Answer: x = 8 -
3. Geometry
Opposite = 5cm, hypotenuse = 5.8cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics
Find the mean of: 14, 2, 18
Answer: 11.333333333333