Keystones — Bedrock
Five GCSE retrieval questions · 19 February 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 6 + 2.9
Answer: 6 + 2.9 = 8.9 -
2. Algebra
Factorise: 28x + 8
Answer: 4(7x + 2) -
3. Geometry
Opposite = 14cm, hypotenuse = 16.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 25% of 153
Answer: 38.25 -
5. Statistics
Find the mean of: 3, 19, 5, 14, 5
Answer: 9.2