Keystones — Lintel
Five GCSE retrieval questions · 10 September 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 995 + 656
Answer: 1651 -
2. Algebra
Expand: 2(3x + 9)
Answer: 6x + 18 -
3. Geometry
Opposite = 13cm, adjacent = 19cm. Calculate the angle
Answer: 34.4° -
4. Ratio
Find 60% of 109
Answer: 65.4 -
5. Statistics
Calculate the mean of: 36, 19, 7, 18, 31, 5, 28
Answer: 20.6