Keystones — Capstone
Five GCSE retrieval questions · 17 September 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 102. What are the numbers?
Answer: 33, 34, and 35 -
2. Algebra
Expand: 2(7x - 9)
Answer: 14x - 18 -
3. Geometry
Find the distance between (0, -7) and (4, 10)
Answer: 17.46 -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 4 blue and 2 green sections. Probability of landing on red?
Answer: 1⁄2