Keystones — Cornerstone
Five GCSE retrieval questions · 16 August 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 99 + 94
Answer: 99 + 94 = 193 -
2. Algebra
Solve: 8x = 96
Answer: x = 12 -
3. Geometry
Opposite = 6cm, hypotenuse = 8.5cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics
Calculate the mean of: 39, 27, 18, 19, 32, 25
Answer: 26.7