Keystones — Lintel
Five GCSE retrieval questions · 21 February 2022 · mathsvault.uk/keystones
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1. Number
The temperature is -10°C. It rises by 13°C. What is the new temperature?
Answer: 3°C -
2. Algebra
For y = 4x³ + 7, find y when x = 4
Answer: y = 263 -
3. Geometry
Adjacent = 22cm, hypotenuse = 40cm. Find the angle
Answer: 56.6° -
4. Ratio
Calculate 11.6% of 366
Answer: 42.46 -
5. Statistics
A bag has 5 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 5⁄9