Keystones — Lintel
Five GCSE retrieval questions · 31 August 2022 · mathsvault.uk/keystones
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1. Number
Calculate: -15 + (-4)
Answer: -19 -
2. Algebra
Factorise: 2x² + 4x
Answer: 2x(x + 2) -
3. Geometry
Opposite = 11cm, adjacent = 8cm. Calculate the angle
Answer: 54° -
4. Ratio
Simplify: 12:6:9
Answer: 4:2:3 -
5. Statistics
Find the range of: -12, 17, 2, 50, 34
Answer: 62