Keystones — Bedrock
Five GCSE retrieval questions · 4 July 2022 · mathsvault.uk/keystones
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1. Number
Calculate: -5 + 7
Answer: 2 -
2. Algebra
Factorise: 35x + 40
Answer: 5(7x + 8) -
3. Geometry
Opposite = 12cm, hypotenuse = 13.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 25% of 107
Answer: 26.75 -
5. Statistics
Find the median of: 16, 13, 20, 19, 11
Answer: 16