Keystones — Bedrock
Five GCSE retrieval questions · 30 September 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 20 + 15
Answer: 20 + 15 = 35 -
2. Algebra
Simplify: 2x + 9x
Answer: 11x -
3. Geometry
Opposite = 15cm, hypotenuse = 21.2cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 10:14
Answer: 5:7 -
5. Statistics
Find the mean of: 4, 5, 6, 17
Answer: 8