Keystones — Cornerstone
Five GCSE retrieval questions · 14 August 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 36 + ? = 172
Answer: 136 -
2. Algebra
Solve: x + 3 = 6
Answer: x = 3 -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics
Find the range of: 36, 37, 23, 12, 17
Answer: 25