Keystones — Bedrock
Five GCSE retrieval questions · 2 March 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 40 + 49
Answer: 40 + 49 = 89 -
2. Algebra
Factorise: 42x + 12
Answer: 6(7x + 2) -
3. Geometry
Opposite = 5cm, hypotenuse = 5.8cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 35:15
Answer: 7:3 -
5. Statistics
Find the mean of: 3, 16, 7, 12
Answer: 9.5