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Rooted Via 10

Weekly Problem 22 - 2013
How many of the numbers shown are greater than 10?

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Largest Expression

Weekly Problem 36 - 2006
Which of these five algebraic expressions is largest, given $x$ is between 0 and 1?

The Power of the Sum

Age 14 to 16 Short Challenge Level:

If $2^6+2^5+2^4+2^4=2^n$, find the value of $n$.

This problem is taken from the World Mathematics Championships
You can find more short problems, arranged by curriculum topic, in our short problems collection.