Keystones — Cornerstone
Five GCSE retrieval questions · 24 November 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 629 + 449
Answer: 629 + 449 = 1078 -
2. Algebra
Solve: 9x - 9 = 2x + 47
Answer: x = 8 -
3. Geometry
Opposite = 11cm, adjacent = 15cm. Calculate the angle
Answer: 36.3° -
4. Ratio
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics
Find the range of: 11, 9, 20, 22, 21
Answer: 13