Keystones — Bedrock
Five GCSE retrieval questions · 16 May 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 37 + 20
Answer: 37 + 20 = 57 -
2. Algebra
Factorise: 6x + 16
Answer: 2(3x + 8) -
3. Geometry
Opposite = 15cm, hypotenuse = 17.3cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 16:20
Answer: 4:5 -
5. Statistics
Find the mean of: 19, 5, 5, 5, 18
Answer: 10.4