Keystones — Capstone
Five GCSE retrieval questions · 22 July 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 99. What are the numbers?
Answer: 32, 33, and 34 -
2. Algebra
Expand: 3(7x - 11)
Answer: 21x - 33 -
3. Geometry
Adjacent = 22cm, hypotenuse = 40cm. Find the angle
Answer: 56.6° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 6 blue and 5 green sections. Probability of landing on red?
Answer: 6⁄17