Keystones — Bedrock
Five GCSE retrieval questions · 28 January 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 26 + 84
Answer: 26 + 84 = 110 -
2. Algebra
Simplify: 2x + 4x
Answer: 6x -
3. Geometry
Opposite = 7cm, hypotenuse = 9.9cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics
Find the range of: 39, 34, 43, 21, 20
Answer: 23