Keystones — Cornerstone
Five GCSE retrieval questions · 19 February 2024 · mathsvault.uk/keystones
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1. Number
What is 1.7 + 9.72 + 0.91?
Answer: 1.7 + 9.72 + 0.91 = 12.33 -
2. Algebra
For y = x³, find y when x = 2
Answer: y = 8 -
3. Geometry
Calculate the area of a circle with diameter 17cm
Answer: 226.98cm² -
4. Ratio
Simplify the ratio 6:8
Answer: 3:4 -
5. Statistics
Find the mean of: 4, 8, 2, 11, 19
Answer: 8.8