Keystones — Bedrock
Five GCSE retrieval questions · 27 March 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 35 + 33
Answer: 35 + 33 = 68 -
2. Algebra
Factorise: 15x + 21
Answer: 3(5x + 7) -
3. Geometry
Opposite = 12cm, hypotenuse = 17cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 9:24
Answer: 3:8 -
5. Statistics
Find the mean of: 3, 16, 3
Answer: 7.3333333333333