Keystones — Lintel
Five GCSE retrieval questions · 12 August 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 114. What are the numbers?
Answer: 37, 38, and 39 -
2. Algebra
Solve: 2x = 12
Answer: x = 6 -
3. Geometry
Calculate the hypotenuse when a = 5cm and b = 4cm
Answer: 6.4cm -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 6 blue and 5 green sections. Probability of landing on red?
Answer: 3⁄14