Keystones — Lintel
Five GCSE retrieval questions · 8 December 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 111. What are the numbers?
Answer: 36, 37, and 38 -
2. Algebra
Solve: x⁄4 = 8
Answer: x = 32 -
3. Geometry
Find c if a = 11cm and b = 20cm in a right triangle
Answer: 22.8cm -
4. Ratio
Simplify: 4:8:6
Answer: 2:4:3 -
5. Statistics
A spinner has 5 red, 6 blue and 3 green sections. Probability of landing on red?
Answer: 5⁄14