Keystones — Bedrock
Five GCSE retrieval questions · 26 February 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 27 + 23
Answer: 27 + 23 = 50 -
2. Algebra
Simplify: 5x + 4x
Answer: 9x -
3. Geometry
Opposite = 6cm, hypotenuse = 6.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics
Find the mean of: 5, 19, 19
Answer: 14.333333333333