Keystones — Cornerstone
Five GCSE retrieval questions · 3 November 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 72 + ? = 153
Answer: 81 -
2. Algebra
Solve: x + 8 = 15
Answer: x = 7 -
3. Geometry
Opposite = 17cm, adjacent = 16cm. Calculate the angle
Answer: 46.7° -
4. Ratio
Find 81% of 282
Answer: 228.42 -
5. Statistics
Find the range of: 18, 5, 14, 13, 19
Answer: 14