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## 5th grade foundations (Eureka Math/EngageNY)

### Course: 5th grade foundations (Eureka Math/EngageNY) > Unit 5

Lesson 3: Topic C: Foundations- Multiplying fractions and whole numbers visually
- Multiply fractions and whole numbers
- Compare with multiplication
- Compare with multiplication word problems
- Multiplication word problem: carrots
- Division word problem: row boat
- Multiplication and division word problems
- Multi-step unit conversion examples (U.S. Customary)
- US customary conversion word problems

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# Division word problem: row boat

Created by Sal Khan.

## Want to join the conversation?

- so he is showing us the problem(5 votes)
- Dont you do the operation the other way like more easier Like at (1:45)(3 votes)
- how do you do the big 7 division(3 votes)
- This is a fun math challenge and the math challenge has two questions.

You have to plant a Garden that is 20 meters long each flower take up 2 meters. How many flowers can be planted ?

Finally what flowers would you plant in the garden remember after solving the math problem you can only plant the x= number of flowers in your garden.(2 votes)- You can plant 10 plants in the garden( it's 20m long and each plant takes up 2m so 20/2)

Lily jasmine rose .etc etc(2 votes)

- is the number line you are trying to show that you divide the number line just like you divide normally?(1 vote)
- There's no difference. I don't get what difference you see.(4 votes)

- how can i no if it is multiplication or division(2 votes)
- what was the original method of divison(2 votes)
- how do you shift and past(2 votes)
- Oh, this is why division can get hard, but I'll give you a few I can think of. Remember that you won't see all of these and I'll likely miss quite a few.

"divide"

"of"

"per"

"fraction"

"ratio"

"split"

"piece"(2 votes) - At (1:00) it said i need to be more neat it do not matter we get the point(2 votes)

## Video transcript

PROBLEM: "Omar rode his boat for a total of 50 miles over the past 5 days. And he rowed the same amount each day. How many miles did Omar row his boat each day?" So let’s just visualize what's going on. He is able to travel 50 miles. So let's make a – Let’s say this line represents the 50 miles that he travels. So this whole distance right over here is 50 miles. And he does it – They tell us that he does it over 5 days, and that each day, he does the same amount. So this 50 miles is if you were to add together all of what he did over the 5 days. And so, if you want to know how much he did each day, you essentially want to divide this 50 miles into 5 equal sections. And the length of each of those sections is the amount he did each day. So if we just visualize it – So that's one section – second section – third section – fourth – and fifth section. And actually, I didn't do that very well. It should look a little bit more equal than that. First, second – (And that's not going to – Let's see.) First, second, third, fourth, and fifth. And you don't have to actually do this. This is just to help visualize. So essentially, what we want to figure out is what is one of these distances? And as you can see in our visualization, this is really just taking our 50 miles and dividing it into 5 equal chunks. So we're essentially just taking 50, and we're going to divide it by 5. So 50 divided by 5 is going to be equal to 10. So if he goes 50 miles over 5 days, and you divide by the 5 days, he goes 10 miles each day. And we're done.