Keystones — Bedrock
Five GCSE retrieval questions · 9 May 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 32 + 49
Answer: 32 + 49 = 81 -
2. Algebra
Factorise: 42x + 12
Answer: 6(7x + 2) -
3. Geometry
Opposite = 8cm, hypotenuse = 9.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 21:6
Answer: 7:2 -
5. Statistics
Find the range of: 9, 15, 26, 29, 29
Answer: 20