Keystones — Lintel
Five GCSE retrieval questions · 23 January 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 141. What are the numbers?
Answer: 46, 47, and 48 -
2. Algebra
Solve: x⁄5 = 5.6
Answer: x = 28 -
3. Geometry
Opposite = 12cm, adjacent = 14cm. Calculate the angle
Answer: 40.6° -
4. Ratio
Simplify: 10:8:8
Answer: 5:4:4 -
5. Statistics
A spinner has 2 red, 4 blue and 2 green sections. Probability of landing on red?
Answer: 1⁄4