Keystones — Lintel
Five GCSE retrieval questions · 20 May 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 94 + ? = 186
Answer: 92 -
2. Algebra
What is the next term? 5, 20, 80, 320, ...
Answer: 1280 -
3. Geometry
Opposite = 14cm, adjacent = 9cm. Calculate the angle
Answer: 57.3° -
4. Ratio
Calculate 19.7% of 721
Answer: 142.04 -
5. Statistics
A bag has 7 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 7⁄11