Keystones — Bedrock
Five GCSE retrieval questions · 2 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 67 + 73
Answer: 67 + 73 = 140 -
2. Algebra
Simplify: 3x + 3x
Answer: 6x -
3. Geometry
Opposite = 7cm, hypotenuse = 8.cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 15:18
Answer: 5:6 -
5. Statistics
Find the mean of: 16, 16, 18
Answer: 16.666666666667