Keystones — Lintel
Five GCSE retrieval questions · 28 November 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 799 + 730
Answer: 799 + 730 = 1529 -
2. Algebra
Solve: 7x = 49
Answer: x = 7 -
3. Geometry
Find c if a = 8cm and b = 23cm in a right triangle
Answer: 24.4cm -
4. Ratio
Find 25% of 164
Answer: 41 -
5. Statistics
Find the range of: -9, -5, 38, 35, -14
Answer: 52