Keystones — Cornerstone
Five GCSE retrieval questions · 24 May 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 87 + 41
Answer: 87 + 41 = 128 -
2. Algebra
Find the next term: 20, 25, 30, 35, ...
Answer: 40 -
3. Geometry
Opposite = 8cm, adjacent = 12cm. Calculate the angle
Answer: 33.7° -
4. Ratio
Simplify: 12:9:6
Answer: 4:3:2 -
5. Statistics
Calculate the mean of: 15, 41, 43, 49, 6, 11
Answer: 27.5