Keystones — Lintel
Five GCSE retrieval questions · 16 March 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 991 + 552
Answer: 1543 -
2. Algebra
Solve: x⁄2 = 3.5
Answer: x = 7 -
3. Geometry
Find perimeter: adjacent = 24cm, angle = 30°
Answer: 65.6cm -
4. Ratio
Simplify: 20:16:8
Answer: 5:4:2 -
5. Statistics
Calculate the mean of: 41, 10, 45, 13, 39, 9, 18
Answer: 25