Keystones — Lintel
Five GCSE retrieval questions · 25 July 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
Solve: x⁄6 = 2
Answer: x = 12 -
3. Geometry
Find perimeter: adjacent = 19cm, angle = 36°
Answer: 56.3cm -
4. Ratio
Find 43% of 410
Answer: 176.3 -
5. Statistics
A bag has 5 red and 6 blue balls. What is the probability of picking a red ball?
Answer: 5⁄11