Keystones — Lintel
Five GCSE retrieval questions · 30 September 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 994 + 589
Answer: 1583 -
2. Algebra
Solve: 3x = 39
Answer: x = 13 -
3. Geometry
Adjacent = 14cm, hypotenuse = 21cm. Find the angle
Answer: 48.2° -
4. Ratio
Calculate 26% of 419
Answer: 108.94 -
5. Statistics
A bag has 5 red and 8 blue balls. What is the probability of picking a red ball?
Answer: 5⁄13