Keystones — Lintel
Five GCSE retrieval questions · 2 July 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 135. What are the numbers?
Answer: 44, 45, and 46 -
2. Algebra
Solve: x⁄2 = 4.5
Answer: x = 9 -
3. Geometry
Opposite = 19cm, adjacent = 10cm. Calculate the angle
Answer: 62.2° -
4. Ratio
Simplify: 12:18:9
Answer: 4:6:3 -
5. Statistics
A spinner has 6 red, 5 blue and 3 green sections. Probability of landing on red?
Answer: 3⁄7