Keystones — Bedrock
Five GCSE retrieval questions · 22 May 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 9 + 1
Answer: 10 -
2. Algebra
Expand: 4(x + 7)
Answer: 4x + 28 -
3. Geometry
Opposite = 14cm, hypotenuse = 16.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 28:24
Answer: 7:6 -
5. Statistics
Find the range of: 38, 24, 19, 16, 23
Answer: 22