Keystones — Lintel
Five GCSE retrieval questions · 17 August 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 93. What are the numbers?
Answer: 30, 31, and 32 -
2. Algebra
Solve: x⁄5 = 5.8
Answer: x = 29 -
3. Geometry
Opposite = 11cm, adjacent = 12cm. Calculate the angle
Answer: 42.5° -
4. Ratio
Simplify: 9:6:12
Answer: 3:2:4 -
5. Statistics
A spinner has 6 red, 4 blue and 3 green sections. Probability of landing on red?
Answer: 6⁄13