Keystones — Lintel
Five GCSE retrieval questions · 11 August 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 998 + 806
Answer: 1804 -
2. Algebra
Solve: 3x = 42
Answer: x = 14 -
3. Geometry
Calculate the hypotenuse when a = 7cm and b = 6cm
Answer: 9.22cm -
4. Ratio
Simplify: 10:8:4
Answer: 5:4:2 -
5. Statistics
A bag has 8 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 8⁄11