Keystones — Lintel
Five GCSE retrieval questions · 24 January 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 745 + 274
Answer: 745 + 274 = 1019 -
2. Algebra
Simplify: 5x - 3x + 8y - 4y
Answer: 2x + 4y -
3. Geometry
Calculate the area of a circle with diameter 15cm
Answer: 176.71cm² -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A bag has 4 red and 6 blue balls. What is the probability of picking a red ball?
Answer: 2⁄5