Keystones — Lintel
Five GCSE retrieval questions · 12 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 432 + 765
Answer: 432 + 765 = 1197 -
2. Algebra
Solve: 8x = 40
Answer: x = 5 -
3. Geometry
Opposite = 12cm, adjacent = 15cm. Calculate the angle
Answer: 38.7° -
4. Ratio
Calculate 42.1% of 842
Answer: 354.48 -
5. Statistics
Calculate the mean of: 5, 9, 48, 42, 15, 23, 40, 22
Answer: 25.5