Keystones — Lintel
Five GCSE retrieval questions · 23 May 2024 · mathsvault.uk/keystones
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1. Number
Calculate: (-15) + (-21) + (-12)
Answer: -48 -
2. Algebra
Solve: 7x = 21
Answer: x = 3 -
3. Geometry
Adjacent = 13cm, hypotenuse = 29cm. Find the angle
Answer: 63.4° -
4. Ratio
Calculate 38% of 974
Answer: 370.12 -
5. Statistics
A bag has 5 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 5⁄12