Keystones — Lintel
Five GCSE retrieval questions · 16 January 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 709 + 859
Answer: 709 + 859 = 1568 -
2. Algebra
Solve: 2x = 22
Answer: x = 11 -
3. Geometry
Opposite = 19cm, adjacent = 16cm. Calculate the angle
Answer: 49.9° -
4. Ratio
Simplify: 12:8:10
Answer: 6:4:5 -
5. Statistics
Calculate the mean of: 26, 20, 34, 17, 30, 5
Answer: 22