Keystones — Bedrock
Five GCSE retrieval questions · 18 April 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 6.7 + 4
Answer: 6.7 + 4 = 10.7 -
2. Algebra
Factorise: 25x + 15
Answer: 5(5x + 3) -
3. Geometry
Opposite = 9cm, hypotenuse = 12.7cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 25% of 56
Answer: 14 -
5. Statistics
Find the mean of: 3, 16, 20
Answer: 13