Keystones — Bedrock
Five GCSE retrieval questions · 21 July 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 54 + 89
Answer: 54 + 89 = 143 -
2. Algebra
Solve: x + 7 = 18
Answer: x = 11 -
3. Geometry
Opposite = 14cm, hypotenuse = 19.8cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics
Find the range of: 39, 22, 41, 18, 48
Answer: 30