Keystones — Lintel
Five GCSE retrieval questions · 5 December 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄3 + 2⁄3 + 1⁄6
Answer: 3⁄2 -
2. Algebra
Solve: 4x = 36
Answer: x = 9 -
3. Geometry
Find the distance between (-2, -6) and (6, 7)
Answer: 15.26 -
4. Ratio
Simplify: 15:9:12
Answer: 5:3:4 -
5. Statistics
A bag has 8 red and 8 blue balls. What is the probability of picking a red ball?
Answer: 1⁄2