Keystones — Lintel
Five GCSE retrieval questions · 13 March 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 285 + 371
Answer: 285 + 371 = 656 -
2. Algebra
What is the next term? 8, 24, 72, 216, ...
Answer: 648 -
3. Geometry
Find perimeter: adjacent = 25cm, angle = 49°
Answer: 91.9cm -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A bag has 4 red and 8 blue balls. What is the probability of picking a red ball?
Answer: 1⁄3