Keystones — Lintel
Five GCSE retrieval questions · 31 July 2021 · mathsvault.uk/keystones
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1. Number
Find the total of 146, 113, and 74
Answer: 333 -
2. Algebra
Solve: 5x = 55
Answer: x = 11 -
3. Geometry
Find the distance between (-5, -2) and (9, 7)
Answer: 16.64 -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
A bag has 7 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 1⁄2