Keystones — Lintel
Five GCSE retrieval questions · 11 August 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 26 + (42)
Answer: 68 -
2. Algebra
Solve: 4x = 40
Answer: x = 10 -
3. Geometry
Opposite = 20cm, adjacent = 15cm. Calculate the angle
Answer: 53.1° -
4. Ratio
Find 21% of 306
Answer: 64.26 -
5. Statistics
Calculate the mean of: 11, 7, 6, 35, 41, 23
Answer: 20.5