Keystones — Lintel
Five GCSE retrieval questions · 27 November 2023 · mathsvault.uk/keystones
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1. Number
Calculate: -5 + (-16)
Answer: -21 -
2. Algebra
Solve: 2x = 28
Answer: x = 14 -
3. Geometry
Opposite = 16cm, adjacent = 11cm. Calculate the angle
Answer: 55.5° -
4. Ratio
Calculate 45.6% of 689
Answer: 314.18 -
5. Statistics
Calculate the mean of: 30, 40, 46, 42, 6, 17
Answer: 30.2