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Park maintenance isn't just a walk in the... well, you know where we're going with this.
Hey, look: this is math that you're actually going to use in real life. We promise, it'll come in handy someday.
Math 3: Scaling 19 Views
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Description:
We love maps, but don't expect us to start singing about them or our backpacks or anything. This isn't that kind of thing.
Transcript
- 00:00
We speak student! So you want to make mess well it ain't easy you'll need a whole lot of
- 00:17
skills a steady hand great attention to detail a few dozen chocolate bars hey [a girl studying a map with a huge stack of chocolate bars]
- 00:21
sustenance is important but most importantly you'll need knowledge of
- 00:25
scaling as you might remember the idea behind scaling is to take something
- 00:28
really big and represent in a way that's incredibly accurate but a lot smaller [a young boy screaming with his hands in the air]
Full Transcript
- 00:33
which fun fact is one of the main ideas behind maps while we might get lost in a
- 00:37
huge city a map of the city gives us a much smaller representation of it that [a distressed boy looking at a map of the city]
- 00:41
we can hold in our hand and figure out where we're going oh and word to the wise
- 00:45
most city maps don't tell you where all the piles of garbage are so you [a big pile of garbage in a park]
- 00:49
still need to watch where you're going we can see how this works if we take a
- 00:53
look at a map of this park the first thing will probably notice is that the
- 00:56
maps way smaller the actual park this allows us to see where stuff is at a [lots of people walking and playing in a park]
- 01:00
glance instead of having to run all over the park just to find out where the
- 01:03
benches are will also notice that all the real life objects in the park are
- 01:07
[a big turning windmill in a park] shown in the map just smaller for example see that long narrow trail that
- 01:11
runs all the way through the park the map includes a smaller similar shape so
- 01:15
then the people know hey this park has a long narrow trail in it and although the [people walking down a narrow paved trail in a park]
- 01:20
map is pretty nifty we'd recommend jogging the real trail if you want to
- 01:24
get some exercise it's hard to get your heart rate up if you only jog the half [a child in their bedroom jogging]
- 01:28
second it takes to get across the map another thing we notice is that the map
- 01:32
shows the relative sizes of different real-world objects take a look at these
- 01:36
pools in the park one pool is really big well the other is a much smaller kiddie [birds eye view of two different sized swimming pools]
- 01:40
pool and wouldn't you know it our map also contains two pools a big one and a
- 01:45
much smaller one which one you decide to swim in well that's up to you but [young girl falling in a swimming pool backwards]
- 01:49
remember use the real thing you'd look pretty silly trying to swim on the map
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