Keystones — Lintel
Five GCSE retrieval questions · 5 June 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 8.77 + 34.5 + 0.295
Answer: 8.77 + 34.5 + 0.295 = 43.565 -
2. Algebra
Factorise: 8x² + 5x
Answer: x(8x + 5) -
3. Geometry
Opposite = 8cm, adjacent = 11cm. Calculate the angle
Answer: 36° -
4. Ratio
Simplify: 12:24:20
Answer: 3:6:5 -
5. Statistics
Calculate the mean of: 21, 24, 10, 7, 44, 24, 48
Answer: 25.4