Keystones — Lintel
Five GCSE retrieval questions · 5 December 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 77 + ? = 118
Answer: 41 -
2. Algebra
Expand: 6(6x - 12)
Answer: 36x - 72 -
3. Geometry
Adjacent = 26cm, hypotenuse = 38cm. Find the angle
Answer: 46.8° -
4. Ratio
Find 53% of 111
Answer: 58.83 -
5. Statistics
Calculate the mean of: 9, 13, 12, 20, 35, 38, 38, 16
Answer: 22.6