Keystones — Cornerstone
Five GCSE retrieval questions · 5 February 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 63 + 74
Answer: 63 + 74 = 137 -
2. Algebra
Factorise: 16x + 6
Answer: 2(8x + 3) -
3. Geometry
Opposite = 8cm, hypotenuse = 16cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify: 12:20:24
Answer: 3:5:6 -
5. Statistics
Find the mean of: 16, 14, 11, 6
Answer: 11.75