Keystones — Lintel
Five GCSE retrieval questions · 15 August 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 126. What are the numbers?
Answer: 41, 42, and 43 -
2. Algebra
Solve: x⁄5 = 5.2
Answer: x = 26 -
3. Geometry
Find c if a = 20cm and b = 12cm in a right triangle
Answer: 23.3cm -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 3 blue and 3 green sections. Probability of landing on red?
Answer: 5⁄11