Keystones — Lintel
Five GCSE retrieval questions · 21 May 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄4 + 2⁄3 + 2⁄3
Answer: 19⁄12 -
2. Algebra
Solve: 5x = 20
Answer: x = 4 -
3. Geometry
Calculate the distance between (3, 9) and (6, 13)
Answer: 5 -
4. Ratio
Find 62% of 478
Answer: 296.36 -
5. Statistics
A bag has 8 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 2⁄3