Keystones — Bedrock
Five GCSE retrieval questions · 16 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 48 + 58
Answer: 48 + 58 = 106 -
2. Algebra
Factorise: 4x + 6
Answer: 2(2x + 3) -
3. Geometry
Opposite = 8cm, hypotenuse = 11.3cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 35:15
Answer: 7:3 -
5. Statistics
Find the mean of: 4, 15, 2
Answer: 7