Keystones — Lintel
Five GCSE retrieval questions · 17 October 2021 · mathsvault.uk/keystones
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1. Number
Add: 2⁄8 + 2⁄5
Answer: 13⁄20 -
2. Algebra
Solve: 7x = 42
Answer: x = 6 -
3. Geometry
Find the distance between (-1, 0) and (6, 12)
Answer: 13.89 -
4. Ratio
Find 82% of 158
Answer: 129.56 -
5. Statistics
A bag has 6 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 2⁄3