How to explain cardinals vs ordinals to a six-year-old

from blog Rondam Ramblings, | ↗ original
This discussionThis discussion on Hacker News on whether infinity is odd or even got me to thinking about the right way to teach kids about infinity, and the difference between cardinals and ordinals. Here's what I came up with. on Hacker News on whether infinity is odd or even got me to thinking about the right way to teach kids about infinity, and the difference between cardinals and ordinals. Here's what I came up with.It is important to realize that numbers can stand for two different kinds of ideas. Numbers can talk about "how many" but they can also talk about "what position". For example, we can talk...It is important to realize that numbers can stand for two different kinds of ideas. Numbers can talk about "how many" but they can also talk about "what position". For example, we can talk...