Keystones — Lintel
Five GCSE retrieval questions · 2 September 2021 · mathsvault.uk/keystones
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1. Number
Find the total of 115, 152, and 124
Answer: 391 -
2. Algebra
Factorise: 2x² + 6x
Answer: 2x(x + 3) -
3. Geometry
Opposite = 11cm, adjacent = 10cm. Calculate the angle
Answer: 47.7° -
4. Ratio
Calculate 26.1% of 474
Answer: 123.71 -
5. Statistics
Find the range of: 23, -30, 14, -30, -21
Answer: 53