Keystones — Lintel
Five GCSE retrieval questions · 22 May 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 221 + 343
Answer: 221 + 343 = 564 -
2. Algebra
Solve: 9x - 10 = 5x + 6
Answer: x = 4 -
3. Geometry
Calculate the area of a circle with diameter 10cm
Answer: 78.54cm² -
4. Ratio
Calculate 32.1% of 743
Answer: 238.5 -
5. Statistics
Find the range of: 15, 12, -17, 7, 34
Answer: 51