Keystones — Bedrock
Five GCSE retrieval questions · 24 June 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 75 + 32
Answer: 75 + 32 = 107 -
2. Algebra
Simplify: 4x + 9x
Answer: 13x -
3. Geometry
Opposite = 8cm, hypotenuse = 16cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 10:12
Answer: 5:6 -
5. Statistics
Find the mean of: 11, 7, 16, 17
Answer: 12.75