Keystones — Lintel
Five GCSE retrieval questions · 25 February 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 132. What are the numbers?
Answer: 43, 44, and 45 -
2. Algebra
Simplify: 10x - 5x + 4y - 3y
Answer: 5x + y -
3. Geometry
Opposite = 19cm, adjacent = 18cm. Calculate the angle
Answer: 46.5° -
4. Ratio
Simplify: 16:24:24
Answer: 2:3:3 -
5. Statistics
A spinner has 4 red, 4 blue and 6 green sections. Probability of landing on red?
Answer: 2⁄7