Keystones — Cornerstone
Five GCSE retrieval questions · 16 January 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 59 + 49
Answer: 59 + 49 = 108 -
2. Algebra
Simplify: 9x + 5x
Answer: 14x -
3. Geometry
Opposite = 5cm, hypotenuse = 5.8cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Find 35% of 485
Answer: 169.75 -
5. Statistics
Find the mean of: 19, 17, 13
Answer: 16.333333333333