Keystones — Bedrock
Five GCSE retrieval questions · 8 March 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 54 + 50
Answer: 54 + 50 = 104 -
2. Algebra
Factorise: 24x + 18
Answer: 6(4x + 3) -
3. Geometry
Opposite = 15cm, hypotenuse = 17.3cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 20:12
Answer: 5:3 -
5. Statistics
Find the mean of: 14, 7, 13, 15, 9
Answer: 11.6