Keystones — Lintel
Five GCSE retrieval questions · 2 February 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 102. What are the numbers?
Answer: 33, 34, and 35 -
2. Algebra
What is the next term? 8, 16, 32, 64, ...
Answer: 128 -
3. Geometry
Opposite = 18cm, adjacent = 8cm. Calculate the angle
Answer: 66° -
4. Ratio
Calculate 22.8% of 915
Answer: 208.62 -
5. Statistics
Find the range of: -21, -28, -15, 17, 30
Answer: 58