Keystones — Lintel
Five GCSE retrieval questions · 13 January 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⁄2 = 18
Answer: x = 36 -
3. Geometry
Calculate the hypotenuse when a = 8cm and b = 14cm
Answer: 16.12cm -
4. Ratio
Calculate 27.2% of 351
Answer: 95.47 -
5. Statistics
A bag has 4 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 4⁄7