Keystones — Lintel
Five GCSE retrieval questions · 24 January 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄3 + 1⁄3 + 2⁄3
Answer: 5⁄3 -
2. Algebra
Factorise: 8x² + 7x
Answer: x(8x + 7) -
3. Geometry
Opposite = 14cm, adjacent = 10cm. Calculate the angle
Answer: 54.5° -
4. Ratio
Calculate 33.7% of 797
Answer: 268.59 -
5. Statistics
Calculate the mean of: 45, 42, 24, 49, 21, 49, 29, 25
Answer: 35.5