Keystones — Bedrock
Five GCSE retrieval questions · 6 December 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 2 × 3
Answer: 2 × 3 = 6 -
2. Algebra
Factorise: 6x + 18
Answer: 3(2x + 6) -
3. Geometry
Opposite = 12cm, hypotenuse = 24cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 50% of 137
Answer: 68.5 -
5. Statistics
Find the mean of: 18, 20, 12, 15
Answer: 16.25