Keystones — Lintel
Five GCSE retrieval questions · 31 March 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 995 + 840
Answer: 1835 -
2. Algebra
Solve: 2x = 26
Answer: x = 13 -
3. Geometry
A right triangle has hypotenuse 10cm and one side 6cm. Find its area
Answer: 24cm² -
4. Ratio
Calculate 45.1% of 380
Answer: 171.38 -
5. Statistics
A bag has 8 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 8⁄11