Keystones — Cornerstone
Five GCSE retrieval questions · 15 July 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 427 + 250
Answer: 427 + 250 = 677 -
2. Algebra
Solve: x + 5 = 17
Answer: x = 12 -
3. Geometry
Opposite = 17cm, adjacent = 18cm. Calculate the angle
Answer: 43.4° -
4. Ratio
Calculate 50% of 96
Answer: 48 -
5. Statistics
Calculate the mean of: 50, 5, 19, 45, 23, 39
Answer: 30.2