Keystones — Lintel
Five GCSE retrieval questions · 13 February 2024 · mathsvault.uk/keystones
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1. Number
Add: 3⁄7 + 2⁄6
Answer: 16⁄21 -
2. Algebra
Solve: 4x = 56
Answer: x = 14 -
3. Geometry
Find c if a = 12cm and b = 15cm in a right triangle
Answer: 19.2cm -
4. Ratio
Find 72% of 291
Answer: 209.52 -
5. Statistics
A bag has 4 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 4⁄9