Keystones — Lintel
Five GCSE retrieval questions · 10 February 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 114. What are the numbers?
Answer: 37, 38, and 39 -
2. Algebra
Solve: 2x = 16
Answer: x = 8 -
3. Geometry
Opposite = 12cm, adjacent = 17cm. Calculate the angle
Answer: 35.2° -
4. Ratio
Simplify: 8:12:6
Answer: 4:6:3 -
5. Statistics
A bag has 8 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 2⁄3