Keystones — Bedrock
Five GCSE retrieval questions · 19 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 39 + 49
Answer: 39 + 49 = 88 -
2. Algebra
Simplify: 6x + 2x
Answer: 8x -
3. Geometry
Opposite = 9cm, hypotenuse = 12.7cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics
Find the mean of: 9, 14, 10
Answer: 11