Keystones — Capstone
Five GCSE retrieval questions · 22 December 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 117. What are the numbers?
Answer: 38, 39, and 40 -
2. Algebra
Simplify: 22x²y³ ÷ 3xy²
Answer: 7.3333333333333xy -
3. Geometry
Adjacent = 19cm, hypotenuse = 31cm. Find the angle
Answer: 52.2° -
4. Ratio
Calculate 14.1% of 908
Answer: 128.03 -
5. Statistics
A spinner has 4 red, 3 blue and 5 green sections. Probability of landing on red?
Answer: 1⁄3