Keystones — Cornerstone
Five GCSE retrieval questions · 5 June 2024 · mathsvault.uk/keystones
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1. Number
What is √49?
Answer: 7 -
2. Algebra
Solve: x + 5 = 21
Answer: x = 16 -
3. Geometry
Opposite = 9cm, adjacent = 14cm. Calculate the angle
Answer: 32.7° -
4. Ratio
Simplify the ratio 21:18
Answer: 7:6 -
5. Statistics
Calculate the mean of: 42, 6, 49, 8, 24, 22, 26
Answer: 25.3