Keystones — Bedrock
Five GCSE retrieval questions · 3 November 2021 · mathsvault.uk/keystones
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1. Number
4000
Answer: 4 × 103 -
2. Algebra
Find the midpoint of (2, 4) and (17, 16)
Answer: (9.5, 10) -
3. Geometry
Opposite = 13cm, hypotenuse = 18.4cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 25% of 199
Answer: 49.75 -
5. Statistics
Find the mean of: 7, 19, 13
Answer: 13