Keystones — Lintel
Five GCSE retrieval questions · 27 December 2023 · mathsvault.uk/keystones
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1. Number
Add: 36.43 + 35.75
Answer: 36.43 + 35.75 = 72.18 -
2. Algebra
Solve: 3x = 45
Answer: x = 15 -
3. Geometry
A right triangle has hypotenuse 10cm and one side 6cm. Find its area
Answer: 24cm² -
4. Ratio
Simplify: 9:9:15
Answer: 3:3:5 -
5. Statistics
A bag has 3 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 3⁄8