Keystones — Bedrock
Five GCSE retrieval questions · 3 December 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 39 + 41
Answer: 39 + 41 = 80 -
2. Algebra
Expand: 9(x + 2)
Answer: 9x + 18 -
3. Geometry
Opposite = 13cm, hypotenuse = 15cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 10:35
Answer: 2:7 -
5. Statistics
Find the range of: 6, 17, 16, 18, 8
Answer: 12