Keystones — Lintel
Five GCSE retrieval questions · 11 June 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 993 + 883
Answer: 1876 -
2. Algebra
For y = x³ + 4, calculate y when x = 4
Answer: y = 68 -
3. Geometry
Calculate the hypotenuse when a = 12cm and b = 13cm
Answer: 17.69cm -
4. Ratio
Calculate 23.8% of 265
Answer: 63.07 -
5. Statistics
A bag has 5 red and 6 blue balls. What is the probability of picking a red ball?
Answer: 5⁄11