Keystones — Bedrock
Five GCSE retrieval questions · 10 April 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 7.2 + 5.3
Answer: 7.2 + 5.3 = 12.5 -
2. Algebra
Simplify: 8x + 6x
Answer: 14x -
3. Geometry
Opposite = 10cm, hypotenuse = 20cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 10:8
Answer: 5:4 -
5. Statistics
Find the mean of: 8, 11, 17, 18, 20
Answer: 14.8