Keystones — Lintel
Five GCSE retrieval questions · 19 November 2023 · mathsvault.uk/keystones
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1. Number
The temperature is -11°C. It rises by 12°C. What is the new temperature?
Answer: 1°C -
2. Algebra
Solve: 6x = 42
Answer: x = 7 -
3. Geometry
Adjacent = 25cm, hypotenuse = 42cm. Find the angle
Answer: 53.5° -
4. Ratio
Find 82% of 432
Answer: 354.24 -
5. Statistics
Calculate the mean of: 30, 50, 5, 13, 6, 12, 6
Answer: 17.4