Keystones — Lintel
Five GCSE retrieval questions · 14 August 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 991 + 590
Answer: 1581 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Calculate the hypotenuse when a = 4cm and b = 11cm
Answer: 11.7cm -
4. Ratio
Calculate 18.4% of 284
Answer: 52.26 -
5. Statistics
A bag has 8 red and 8 blue balls. What is the probability of picking a red ball?
Answer: 1⁄2