Keystones — Lintel
Five GCSE retrieval questions · 15 November 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 88 + ? = 117
Answer: 29 -
2. Algebra
Solve: x⁄7 = 1.4285714285714
Answer: x = 10 -
3. Geometry
Calculate the area of a circle with diameter 22cm
Answer: 380.13cm² -
4. Ratio
Find 61% of 257
Answer: 156.77 -
5. Statistics
A bag has 6 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 2⁄3