Keystones — Lintel
Five GCSE retrieval questions · 18 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 698 + 255
Answer: 698 + 255 = 953 -
2. Algebra
Expand: 5(3x - 12)
Answer: 15x - 60 -
3. Geometry
Calculate the hypotenuse when a = 5cm and b = 11cm
Answer: 12.08cm -
4. Ratio
Find 37% of 371
Answer: 137.27 -
5. Statistics
A bag has 3 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 3⁄8