Keystones — Cornerstone
Five GCSE retrieval questions · 17 June 2021 · mathsvault.uk/keystones
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1. Number
What is the missing number: 65 + ? = 128
Answer: 63 -
2. Algebra
Solve: 6x = 84
Answer: x = 14 -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Calculate 50% of 74
Answer: 37 -
5. Statistics
Calculate the range of: 40, 31, 91, 76, 44, 59
Answer: 60