Keystones — Lintel
Five GCSE retrieval questions · 16 December 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 991 + 603
Answer: 1594 -
2. Algebra
Factorise fully: 12x² + 24x
Answer: 4x(3x + 6) -
3. Geometry
Calculate the perimeter of a right triangle with sides 10cm and 9cm
Answer: 32.5cm -
4. Ratio
Calculate 46.8% of 795
Answer: 372.06 -
5. Statistics
Calculate the mean of: 15, 46, 33, 32, 27, 15
Answer: 28