Question Video: Identifying Straight Lines Mathematics • 3rd Grade

What has been drawn?


Video Transcript

What has been drawn?

Now, if we look carefully, we can informally say it looks like we have part of a line. We’ll be able to identify its formal name by looking at what’s happening at the end of this line drawn. We have two arrows. Now, these arrows tell us that this line extends in both directions. In fact, it extends infinitely in both directions. And so we recall that the formal mathematical definition of a line is a straight set of points that extend infinitely in both directions. And so we can say that, here, we have a line.

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