Keystones — Bedrock
Five GCSE retrieval questions · 3 May 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 4 + (-6)
Answer: -2 -
2. Algebra
Factorise: 16x + 28
Answer: 4(4x + 7) -
3. Geometry
Opposite = 11cm, hypotenuse = 15.6cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 24:15
Answer: 8:5 -
5. Statistics
Find the range of: 16, 11, 29, 16, 29
Answer: 18