Keystones — Lintel
Five GCSE retrieval questions · 30 May 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 120. What are the numbers?
Answer: 39, 40, and 41 -
2. Algebra
Solve: 9x = 63
Answer: x = 7 -
3. Geometry
Adjacent = 17cm, hypotenuse = 37cm. Find the angle
Answer: 62.6° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 5 blue and 2 green sections. Probability of landing on red?
Answer: 3⁄10