Keystones — Cornerstone
Five GCSE retrieval questions · 16 July 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 74 + 22
Answer: 74 + 22 = 96 -
2. Algebra
For y = x³ + 3, calculate y when x = 3
Answer: y = 30 -
3. Geometry
Opposite = 14cm, adjacent = 20cm. Calculate the angle
Answer: 35° -
4. Ratio
Simplify: 15:18:6
Answer: 5:6:2 -
5. Statistics
Find the range of: 23, 33, 37, 36, 20
Answer: 17