Keystones — Lintel
Five GCSE retrieval questions · 14 June 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 999 + 851
Answer: 1850 -
2. Algebra
Solve: 5x = 50
Answer: x = 10 -
3. Geometry
Adjacent = 15cm, hypotenuse = 25cm. Find the angle
Answer: 53.1° -
4. Ratio
Calculate 32.1% of 399
Answer: 128.08 -
5. Statistics
Find the range of: 28, 39, -23, 32, 30
Answer: 62