Keystones — Bedrock
Five GCSE retrieval questions · 23 September 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 91 + 46
Answer: 91 + 46 = 137 -
2. Algebra
Factorise: 21x + 18
Answer: 3(7x + 6) -
3. Geometry
Opposite = 7cm, hypotenuse = 8.cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 18:24
Answer: 3:4 -
5. Statistics
Find the range of: 32, 22, 18, 17, 14
Answer: 18