Keystones — Cornerstone
Five GCSE retrieval questions · 15 April 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 24 + 32
Answer: 24 + 32 = 56 -
2. Algebra
For y = x³ + 6, calculate y when x = 4
Answer: y = 70 -
3. Geometry
Opposite = 7cm, hypotenuse = 9.9cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify: 8:10:4
Answer: 4:5:2 -
5. Statistics
Calculate the mean of: 6, 23, 41, 12, 24, 26
Answer: 22