Keystones — Lintel
Five GCSE retrieval questions · 6 April 2021 · mathsvault.uk/keystones
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1. Number
What is the missing number: 82 + ? = 160
Answer: 78 -
2. Algebra
Find the next term: 1, 2, 4, 7, ...
Answer: 11 -
3. Geometry
Opposite = 13cm, adjacent = 17cm. Calculate the angle
Answer: 37.4° -
4. Ratio
Find 56% of 360
Answer: 201.6 -
5. Statistics
A bag has 8 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 2⁄3