Keystones — Lintel
Five GCSE retrieval questions · 21 October 2022 · mathsvault.uk/keystones
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1. Number
Find the total of 275, 149, and 56
Answer: 480 -
2. Algebra
Solve: 8x - 10 = 2x + 44
Answer: x = 9 -
3. Geometry
Find the perimeter: hypotenuse = 24cm, one side = 15cm
Answer: 57.7cm -
4. Ratio
Calculate 26.7% of 541
Answer: 144.45 -
5. Statistics
A bag has 8 red and 8 blue balls. What is the probability of picking a red ball?
Answer: 1⁄2