Keystones — Bedrock
Five GCSE retrieval questions · 23 April 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 38 + 62
Answer: 38 + 62 = 100 -
2. Algebra
Simplify: 9x + 8x
Answer: 17x -
3. Geometry
Opposite = 9cm, hypotenuse = 10.4cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics
Find the mean of: 6, 20, 13, 19
Answer: 14.5