Keystones — Cornerstone
Five GCSE retrieval questions · 17 May 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 161 + 171
Answer: 161 + 171 = 332 -
2. Algebra
Factorise: 9x + 18
Answer: 3(3x + 6) -
3. Geometry
Opposite = 14cm, hypotenuse = 28cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics
Find the mean of: 2, 20, 8
Answer: 10