Keystones — Lintel
Five GCSE retrieval questions · 5 September 2022 · mathsvault.uk/keystones
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1. Number
The temperature is -5°C. It rises by 11°C. What is the new temperature?
Answer: 6°C -
2. Algebra
Solve: 3x = 39
Answer: x = 13 -
3. Geometry
Find perimeter: adjacent = 23cm, angle = 40°
Answer: 72.3cm -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 3 blue and 3 green sections. Probability of landing on red?
Answer: 1⁄3