Keystones — Lintel
Five GCSE retrieval questions · 4 May 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 789 + 180
Answer: 789 + 180 = 969 -
2. Algebra
Solve: 8x = 64
Answer: x = 8 -
3. Geometry
Adjacent = 17cm, hypotenuse = 23cm. Find the angle
Answer: 42.3° -
4. Ratio
Find 21% of 388
Answer: 81.48 -
5. Statistics
A bag has 8 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 8⁄15