Keystones — Lintel
Five GCSE retrieval questions · 26 October 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 147. What are the numbers?
Answer: 48, 49, and 50 -
2. Algebra
Solve: 7x = 63
Answer: x = 9 -
3. Geometry
Adjacent = 20cm, hypotenuse = 26cm. Find the angle
Answer: 39.7° -
4. Ratio
Find 40% of 356
Answer: 142.4 -
5. Statistics
A spinner has 5 red, 4 blue and 2 green sections. Probability of landing on red?
Answer: 5⁄11