What is the smallest three-digit number in Pascal's triangle?
The leftmost row is just 1, right? Oh, the second row is just 1, 1, right? Yep. Now let's look at the next row. That's just 1, 2, 1, right? Right. Now let's keep going. The next row is just 1, 3, 3, 1. Yep. You notice a pattern yet? I think the first and last elements of each row are always 1. That's correct! Notice anything else? That's also true! Now you should be able to answer the question. The smallest three-digit number in Pascal's triangle is $100$.

