Keystones — Cornerstone
Five GCSE retrieval questions · 27 February 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 355 + 617
Answer: 355 + 617 = 972 -
2. Algebra
Expand: 5(6x + 8)
Answer: 30x + 40 -
3. Geometry
Find the area of a circle with radius 3cm
Answer: 28.27cm² -
4. Ratio
Simplify: 9:18:15
Answer: 3:6:5 -
5. Statistics
Find the mean of: 6, 19, 14, 6
Answer: 11.25