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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: Multiplication and Addition 50 Views
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Description:
You can learn all the multiplication and addition you want, but please never try to carry seven watermelons home in a backpack. Just trust us on this one.
Transcript
- 00:04
sometimes when you're sitting in math class you might wonder
- 00:16
will this math ever help me in the real world valid question math won't
- 00:21
ever pick you up from school or buy you coffee or drop you off the airport but [student day dreaming in math class]
- 00:25
all that aside math is still really helpful in our daily lives especially
- 00:28
addition and multiplication sorry subtraction and division we love you too [substraction and division symbols bouncing on the screen]
Full Transcript
- 00:32
so let's imagine we're taking a trip to the supermarket when we're shopping it's
- 00:37
important that we know how much everything costs right after all take
- 00:41
everything you want for free specials are pretty rare so maybe you want to buy
- 00:45
a bottle of shampoo that cost $5.50 and maybe you also want to buy some [bottles of shampoo on the supermarket shelf]
- 00:50
conditioner which costs six bucks and how much will you need to pay to buy
- 00:54
both items luckily for us we don't need a rocket scientist to help us figure out [a lady in a white jacket with a rocket nearby]
- 00:58
the answer though they do always seem to know the best deals on hair care
- 01:02
products no all we need is addition we just add the two prices together which
- 01:07
gives us a total of eleven dollars and fifty cents bingo even easier than
- 01:11
[woman in the shower washing her hair] washing your hair now let's say that instead of buying two different things
- 01:14
we wanted to buy a bunch of the same thing like watermelons the price at this
- 01:18
supermarket is three dollars per watermelon so how much would it cost if [an array of watermelons in a supermarket]
- 01:23
we wanted seven we could try adding the prices of all the watermelons together
- 01:27
but that would mean a lot of additions and we just want to spend an afternoon
- 01:31
at the beach eating watermelon not an afternoon at the beach adding numbers [a man scirbbling on a notepad]
- 01:34
together the sand isn't great for our calculator luckily we can just use
- 01:38
multiplication since we have seven watermelons and they each cost three
- 01:42
dollars we can multiply three dollars by seven to give us our cost of 21 dollars
- 01:46
how do we actually get those seven watermelons home is a different much [a cicycle wheel and a backpack carrying watermelons]
- 01:50
more difficult problem hopefully somebody gave you a ride to the
- 01:53
supermarket yeah never count on math to pick you up
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