Keystones — Bedrock
Five GCSE retrieval questions · 8 September 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 15 + 40
Answer: 15 + 40 = 55 -
2. Algebra
Simplify: 7x + 6x
Answer: 13x -
3. Geometry
Opposite = 15cm, hypotenuse = 17.3cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics
Find the mean of: 11, 16, 20, 9
Answer: 14