Keystones — Bedrock
Five GCSE retrieval questions · 5 May 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 20 + 36
Answer: 20 + 36 = 56 -
2. Algebra
Factorise: 10x + 16
Answer: 2(5x + 8) -
3. Geometry
Opposite = 15cm, hypotenuse = 30cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 16:14
Answer: 8:7 -
5. Statistics
Find the mean of: 2, 6, 9, 18
Answer: 8.75