Keystones — Lintel
Five GCSE retrieval questions · 5 April 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 995 + 878
Answer: 1873 -
2. Algebra
Find the next term: 1, 2, 4, 7, ...
Answer: 11 -
3. Geometry
Adjacent = 19cm, hypotenuse = 31cm. Find the angle
Answer: 52.2° -
4. Ratio
Find 81% of 61
Answer: 49.41 -
5. Statistics
A bag has 5 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 5⁄9