Keystones — Bedrock
Five GCSE retrieval questions · 18 January 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 31 + 28
Answer: 31 + 28 = 59 -
2. Algebra
Factorise: 15x + 35
Answer: 5(3x + 7) -
3. Geometry
Opposite = 14cm, hypotenuse = 19.8cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 24:6
Answer: 4:1 -
5. Statistics
Find the range of: 16, 19, 9, 18, 9
Answer: 10