Keystones — Lintel
Five GCSE retrieval questions · 15 August 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 992 + 742
Answer: 1734 -
2. Algebra
Solve: 7x = 42
Answer: x = 6 -
3. Geometry
Opposite = 19cm, adjacent = 14cm. Calculate the angle
Answer: 53.6° -
4. Ratio
Find 21% of 205
Answer: 43.05 -
5. Statistics
Calculate the mean of: 7, 47, 50, 14, 44, 9, 29
Answer: 28.6