Keystones — Bedrock
Five GCSE retrieval questions · 15 July 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 34 + 70
Answer: 34 + 70 = 104 -
2. Algebra
Factorise: 6x + 9
Answer: 3(2x + 3) -
3. Geometry
Opposite = 12cm, hypotenuse = 17cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics
Find the mean of: 19, 4, 16, 4, 4
Answer: 9.4