Keystones — Lintel
Five GCSE retrieval questions · 27 December 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 50 + ? = 153
Answer: 103 -
2. Algebra
Find the next term: 1, 3, 7, 13, ...
Answer: 21 -
3. Geometry
Adjacent = 12cm, hypotenuse = 20cm. Find the angle
Answer: 53.1° -
4. Ratio
Find 36% of 241
Answer: 86.76 -
5. Statistics
A bag has 8 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 8⁄13