Keystones — Bedrock
Five GCSE retrieval questions · 22 February 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 16 + 28
Answer: 16 + 28 = 44 -
2. Algebra
Simplify: 4x + 4x
Answer: 8x -
3. Geometry
Opposite = 11cm, hypotenuse = 12.7cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 8:14
Answer: 4:7 -
5. Statistics
Find the mean of: 6, 20, 18, 13, 19
Answer: 15.2