Keystones — Cornerstone
Five GCSE retrieval questions · 4 November 2024 · mathsvault.uk/keystones
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1. Number
Find the total of 248, 163, and 134
Answer: 545 -
2. Algebra
Solve: x + 10 = 20
Answer: x = 10 -
3. Geometry
Opposite = 12cm, adjacent = 10cm. Calculate the angle
Answer: 50.2° -
4. Ratio
Simplify the ratio 21:9
Answer: 7:3 -
5. Statistics
Calculate the mean of: 10, 42, 39, 47, 10, 18, 8
Answer: 24.9