Keystones — Bedrock
Five GCSE retrieval questions · 22 September 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 25 + 55
Answer: 25 + 55 = 80 -
2. Algebra
Simplify: 9x + 8x
Answer: 17x -
3. Geometry
Opposite = 8cm, hypotenuse = 9.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 10:40
Answer: 1:4 -
5. Statistics
Find the mean of: 17, 6, 9, 5
Answer: 9.25