Keystones — Lintel
Five GCSE retrieval questions · 2 May 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 5⁄6 + 5⁄6 + 3⁄4
Answer: 29⁄12 -
2. Algebra
Solve: x⁄6 = 5.3333333333333
Answer: x = 32 -
3. Geometry
Calculate the area of a right triangle with perpendicular sides 8cm and 9cm
Answer: 36cm² -
4. Ratio
Calculate 22.7% of 411
Answer: 93.3 -
5. Statistics
A bag has 7 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 7⁄11