Keystones — Lintel
Five GCSE retrieval questions · 15 November 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 93. What are the numbers?
Answer: 30, 31, and 32 -
2. Algebra
Collect like terms: 4x + 8y + 6x + 5y
Answer: 10x + 13y -
3. Geometry
Opposite = 18cm, adjacent = 16cm. Calculate the angle
Answer: 48.4° -
4. Ratio
Simplify: 15:9:18
Answer: 5:3:6 -
5. Statistics
Calculate the mean of: 9, 16, 20, 12, 44, 46
Answer: 24.5