Keystones — Lintel
Five GCSE retrieval questions · 2 September 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 96. What are the numbers?
Answer: 31, 32, and 33 -
2. Algebra
Factorise: 8x² + 9x
Answer: x(8x + 9) -
3. Geometry
Adjacent = 16cm, hypotenuse = 31cm. Find the angle
Answer: 58.9° -
4. Ratio
Find 64% of 204
Answer: 130.56 -
5. Statistics
Calculate the mean of: 7, 12, 23, 19, 5, 37, 40, 31
Answer: 21.8