Keystones — Bedrock
Five GCSE retrieval questions · 9 January 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 20 + 49
Answer: 20 + 49 = 69 -
2. Algebra
Find the midpoint of (4, 3) and (14, 15)
Answer: (9, 9) -
3. Geometry
Opposite = 5cm, hypotenuse = 5.8cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics
Find the mean of: 20, 2, 17, 3
Answer: 10.5