Keystones — Capstone
Five GCSE retrieval questions · 10 February 2023 · mathsvault.uk/keystones
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1. Number
Find the missing number: 3.15 + □ = 18.72
Answer: □ = 15.57 -
2. Algebra
Find the next term: 1, 2, 4, 7, ...
Answer: 11 -
3. Geometry
Adjacent = 17cm, hypotenuse = 23cm. Find the angle
Answer: 42.3° -
4. Ratio
Calculate 40.3% of 470
Answer: 189.41 -
5. Statistics
A spinner has 5 red, 2 blue and 5 green sections. Probability of landing on red?
Answer: 5⁄12