Keystones — Lintel
Five GCSE retrieval questions · 29 July 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⁄2 = 3
Answer: x = 6 -
3. Geometry
A circle has area 314.2cm². Find its radius (dp)
Answer: 10cm -
4. Ratio
Calculate 11.4% of 316
Answer: 36.02 -
5. Statistics
Find the range of: -21, -15, -17, 3, 50
Answer: 71