Keystones — Capstone
Five GCSE retrieval questions · 19 March 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 150. What are the numbers?
Answer: 49, 50, and 51 -
2. Algebra
Expand: 4(6x - 8)
Answer: 24x - 32 -
3. Geometry
Adjacent = 20cm, hypotenuse = 34cm. Find the angle
Answer: 54° -
4. Ratio
Calculate 45.4% of 568
Answer: 257.87 -
5. Statistics
A spinner has 4 red, 4 blue and 3 green sections. Probability of landing on red?
Answer: 4⁄11