Keystones — Bedrock
Five GCSE retrieval questions · 7 March 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 71 + 69
Answer: 71 + 69 = 140 -
2. Algebra
Factorise: 6x + 9
Answer: 3(2x + 3) -
3. Geometry
Opposite = 9cm, hypotenuse = 10.4cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics
Find the range of: 23, 37, 14, 31, 44
Answer: 30