Keystones — Lintel
Five GCSE retrieval questions · 11 July 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 138. What are the numbers?
Answer: 45, 46, and 47 -
2. Algebra
Find the next term: 1, 2, 4, 7, ...
Answer: 11 -
3. Geometry
Opposite = 8cm, adjacent = 10cm. Calculate the angle
Answer: 38.7° -
4. Ratio
Simplify: 8:6:8
Answer: 4:3:4 -
5. Statistics
A bag has 4 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 4⁄9