Keystones — Cornerstone
Five GCSE retrieval questions · 26 August 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 85 + 49
Answer: 85 + 49 = 134 -
2. Algebra
Solve: x + 12 = 16
Answer: x = 4 -
3. Geometry
Opposite = 9cm, hypotenuse = 18cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify: 12:8:8
Answer: 3:2:2 -
5. Statistics
Find the mean of: 18, 16, 8
Answer: 14