Keystones — Cornerstone
Five GCSE retrieval questions · 2 January 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 980 + 527
Answer: 980 + 527 = 1507 -
2. Algebra
Solve: 9x = 90
Answer: x = 10 -
3. Geometry
Opposite = 11cm, adjacent = 9cm. Calculate the angle
Answer: 50.7° -
4. Ratio
Find 85% of 226
Answer: 192.1 -
5. Statistics
Calculate the mean of: 9, 20, 28, 24, 6, 18
Answer: 17.5