Keystones — Capstone
Five GCSE retrieval questions · 30 December 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 132. What are the numbers?
Answer: 43, 44, and 45 -
2. Algebra
Expand: 2(3x - 6)
Answer: 6x - 12 -
3. Geometry
Adjacent = 21cm, hypotenuse = 34cm. Find the angle
Answer: 51.9° -
4. Ratio
Calculate 47.8% of 959
Answer: 458.4 -
5. Statistics
A spinner has 6 red, 6 blue and 2 green sections. Probability of landing on red?
Answer: 3⁄7