Keystones — Lintel
Five GCSE retrieval questions · 23 April 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 996 + 564
Answer: 1560 -
2. Algebra
Solve: 7x = 84
Answer: x = 12 -
3. Geometry
Find the distance between (-6, -8) and (4, 12)
Answer: 22.36 -
4. Ratio
Simplify: 8:8:10
Answer: 4:4:5 -
5. Statistics
A bag has 8 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 2⁄3