Keystones — Bedrock
Five GCSE retrieval questions · 14 April 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 58 + 69
Answer: 58 + 69 = 127 -
2. Algebra
Factorise: 32x + 28
Answer: 4(8x + 7) -
3. Geometry
Opposite = 9cm, hypotenuse = 10.4cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 35:40
Answer: 7:8 -
5. Statistics
Find the mean of: 11, 12, 6, 3
Answer: 8