Keystones — Bedrock
Five GCSE retrieval questions · 8 December 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 87 + 50
Answer: 87 + 50 = 137 -
2. Algebra
Simplify: 8x + 6x
Answer: 14x -
3. Geometry
Opposite = 15cm, hypotenuse = 17.3cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 10:4
Answer: 5:2 -
5. Statistics
Find the mean of: 10, 15, 9, 9
Answer: 10.75