Keystones — Lintel
Five GCSE retrieval questions · 29 December 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 141. What are the numbers?
Answer: 46, 47, and 48 -
2. Algebra
Factorise: 8x² + 7x
Answer: x(8x + 7) -
3. Geometry
Opposite = 10cm, adjacent = 18cm. Calculate the angle
Answer: 29.1° -
4. Ratio
Simplify: 15:15:6
Answer: 5:5:2 -
5. Statistics
A spinner has 2 red, 5 blue and 4 green sections. Probability of landing on red?
Answer: 2⁄11