Keystones — Lintel
Five GCSE retrieval questions · 7 February 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 117. What are the numbers?
Answer: 38, 39, and 40 -
2. Algebra
Solve: 3x + 4 = x - 6
Answer: x = 5 -
3. Geometry
Opposite = 19cm, adjacent = 17cm. Calculate the angle
Answer: 48.2° -
4. Ratio
Find 54% of 309
Answer: 166.86 -
5. Statistics
Find the range of: 43, 25, -16, 26, 44
Answer: 60