Keystones — Lintel
Five GCSE retrieval questions · 17 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 977 + 592
Answer: 977 + 592 = 1569 -
2. Algebra
Solve: x⁄8 = 2.75
Answer: x = 22 -
3. Geometry
Opposite = 12cm, adjacent = 20cm. Calculate the angle
Answer: 31° -
4. Ratio
Find 71% of 457
Answer: 324.47 -
5. Statistics
Calculate the mean of: 37, 30, 30, 48, 25, 40, 10, 8
Answer: 28.5