Keystones — Lintel
Five GCSE retrieval questions · 19 December 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 997 + 651
Answer: 1648 -
2. Algebra
Solve: x⁄8 = 5
Answer: x = 40 -
3. Geometry
Calculate perimeter: two sides are 12cm and 15cm at right angles
Answer: 46.2cm -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
A bag has 7 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 7⁄12