Keystones — Lintel
Five GCSE retrieval questions · 3 April 2023 · mathsvault.uk/keystones
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1. Number
Find the total of 219, 300, and 127
Answer: 646 -
2. Algebra
Factorise: 7x² + 6x
Answer: x(7x + 6) -
3. Geometry
A right triangle has hypotenuse 10cm and one side 6cm. Find its area
Answer: 24cm² -
4. Ratio
Simplify: 24:24:8
Answer: 3:3:1 -
5. Statistics
Find the range of: 21, 41, -29, 14, -23
Answer: 70