Keystones — Bedrock
Five GCSE retrieval questions · 28 February 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 26 + 73
Answer: 26 + 73 = 99 -
2. Algebra
Simplify: 5x + 8x
Answer: 13x -
3. Geometry
Opposite = 9cm, hypotenuse = 12.7cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 10% of 40
Answer: 4 -
5. Statistics
Find the mean of: 6, 12, 12, 7, 15
Answer: 10.4