Keystones — Bedrock
Five GCSE retrieval questions · 22 July 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 1.7 + 9.4
Answer: 1.7 + 9.4 = 11.1 -
2. Algebra
Factorise: 30x + 35
Answer: 5(6x + 7) -
3. Geometry
Opposite = 15cm, hypotenuse = 30cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 50% of 100
Answer: 50 -
5. Statistics
Find the mean of: 15, 6, 11
Answer: 10.666666666667