Keystones — Cornerstone
Five GCSE retrieval questions · 2 May 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 98 + 73
Answer: 98 + 73 = 171 -
2. Algebra
Simplify: 3x + 7x
Answer: 10x -
3. Geometry
Opposite = 15cm, hypotenuse = 17.3cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 12:18
Answer: 2:3 -
5. Statistics
Find the mean of: 3, 12, 19, 13, 12
Answer: 11.8