Keystones — Cornerstone
Five GCSE retrieval questions · 28 December 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 67 + ? = 164
Answer: 97 -
2. Algebra
Solve: 4x = 40
Answer: x = 10 -
3. Geometry
Calculate the distance between (4, 5) and (7, 9)
Answer: 5 -
4. Ratio
Find 17% of 419
Answer: 71.23 -
5. Statistics
Find the mean of: 6, 7, 16
Answer: 9.6666666666667