Keystones — Cornerstone
Five GCSE retrieval questions · 27 January 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 64 + 99
Answer: 64 + 99 = 163 -
2. Algebra
Solve: 4x = 36
Answer: x = 9 -
3. Geometry
Opposite = 20cm, adjacent = 15cm. Calculate the angle
Answer: 53.1° -
4. Ratio
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics
Find the range of: 28, 30, 10, 18, 31
Answer: 21