Keystones — Cornerstone
Five GCSE retrieval questions · 29 April 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 78 + 83
Answer: 78 + 83 = 161 -
2. Algebra
Simplify: 3x + 5x
Answer: 8x -
3. Geometry
Opposite = 17cm, adjacent = 14cm. Calculate the angle
Answer: 50.5° -
4. Ratio
Simplify the ratio 30:40
Answer: 3:4 -
5. Statistics
Find the range of: 18, 30, 22, 30, 27
Answer: 12