Keystones — Cornerstone
Five GCSE retrieval questions · 15 November 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 335 + 962
Answer: 335 + 962 = 1297 -
2. Algebra
Solve: 6x = 66
Answer: x = 11 -
3. Geometry
Opposite = 14cm, adjacent = 8cm. Calculate the angle
Answer: 60.3° -
4. Ratio
Calculate 50% of 45
Answer: 22.5 -
5. Statistics
Calculate the mean of: 8, 38, 48, 6, 9, 33, 13, 50
Answer: 25.6