Keystones — Bedrock
Five GCSE retrieval questions · 23 November 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 19 + 25
Answer: 19 + 25 = 44 -
2. Algebra
Solve: x + 7 = 24
Answer: x = 17 -
3. Geometry
Opposite = 7cm, hypotenuse = 9.9cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 16:24
Answer: 2:3 -
5. Statistics
Find the range of: 16, 22, 29, 24, 28
Answer: 13