There two fish caught at a fishing competition, one weighed 31 lbs and 17lbs 2 oz. What is difference in weight?

The difference in weight is 14 lbs and 2oz.

Is it fair to say we can place the unit we're trying to solve for (in this case ounces) "across" from the starting term, therefore always placing the opposite term in the opposite position? For some reason the way Sal instructs to place the unit in the opposite position and 'cancel out' confuses me.

I think what you're saying is correct if you mean the unit that cancels goes in the numerator of the first ratio and the denominator of the second ratio. I also get confused when Sal does that, but it's something you'll need in the higher maths and sciences. If your way gets you *the right answer with the right units* keep going, you should be fine. Good Luck!

How can I convert onuce to pounds not pounds to onuce

There are 16 ounces in a pound. So you would divide the amount of ounces by 16. For example: 80 ounces is equal to 5 pounds.

Main content

4th grade

Course: 4th grade > Unit 14

Lesson 5: Converting units of mass

Converting pounds to ounces

Name: Converting pounds to ounces
Uploaded: 2016-08-15T22:12:03Z
Description: There are 16 ounces in 1 pound. Learn to convert pounds to ounces.

CCSS.Math:

4.MD.A.1

Google Classroom

There are 16 ounces in 1 pound. Learn to convert pounds to ounces. Created by Sal Khan and Monterey Institute for Technology and Education.

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Nora
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Michele Mcneal
Posted 7 years ago. Direct link to Michele Mcneal's post “There two fish caught at...”
There two fish caught at a fishing competition, one weighed 31 lbs and 17lbs 2 oz. What is difference in weight?
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- HI im tuan
  Posted 5 months ago. Direct link to HI im tuan's post “The difference in weight ...”
  The difference in weight is 14 lbs and 2oz.
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Dhaval Furia
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Can you explain DIMENSIONS in detail ?
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Zach Higgins
Posted 7 years ago. Direct link to Zach Higgins's post “Is it fair to say we can ...”
Is it fair to say we can place the unit we're trying to solve for (in this case ounces) "across" from the starting term, therefore always placing the opposite term in the opposite position? For some reason the way Sal instructs to place the unit in the opposite position and 'cancel out' confuses me.
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- Gilberto Hernandez
  Posted 7 years ago. Direct link to Gilberto Hernandez's post “I think what you're sayin...”
  I think what you're saying is correct if you mean the unit that cancels goes in the numerator of the first ratio and the denominator of the second ratio. I also get confused when Sal does that, but it's something you'll need in the higher maths and sciences. If your way gets you the right answer with the right units keep going, you should be fine. Good Luck!
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Allyson Blue Sterling
Posted 6 years ago. Direct link to Allyson Blue Sterling's post “How to compare 7 pounds t...”
How to compare 7 pounds to 120 ounces
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RobloxianIzzy {Currently online}
Posted 4 years ago. Direct link to RobloxianIzzy {Currently online}'s post “Is Sal using fractions wi...”
Is Sal using fractions with this or is this just another way of thinking about this? If anybody could help me, I would be most thankful for your help.
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lesleykindle12
Posted 5 years ago. Direct link to lesleykindle12's post “How can I convert onuce t...”
How can I convert onuce to pounds not pounds to onuce
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- David966★_
  Posted 5 years ago. Direct link to David966★_'s post “There are 16 ounces in a ...”
  There are 16 ounces in a pound. So you would divide the amount of ounces by 16. For example: 80 ounces is equal to 5 pounds.
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Bortoluc
Posted 4 years ago. Direct link to Bortoluc's post “How do you convert grams ...”
How do you convert grams to ounces?
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Aponte, brandon
Posted 4 years ago. Direct link to Aponte, brandon's post “how many ounces are in 7 ...”
how many ounces are in 7 pounds
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Video transcript

How many ounces are in 6 pounds? So we have 6 pounds and we need to convert them to ounces. And if you don't know it already, you'll know it now, that there are 16 ounces per pound. So what we want to do is we want to have pounds in the denominator. It's in the numerator right now. So we want to divide by pounds and multiply by ounces. Maybe I'll write it out. And I just told you that there are 16 ounces for every 1 pound. So if we multiplied these two expressions, this pounds will cancel with that pounds, and we'll just be left with the unit of ounces, which is what we want, and we just multiply 6 times 16. So it works out unit-wise, and it makes sense as well. If we have 16 ounces per pound, and we have 6 pounds, we just have to multiply 6 times 16. That'll be the total number of ounces we have. So this is going to be equal to-- what's 6 times 16? So if you take 16 times 6, 6 times 6 is 36. Carry the 3. 6 times 1 is 6, plus 3 is 9. So 6 times 16 is 96. You have this divided by 1 here, but that's not going to change anything. And then all we're left with in the dimensions are the ounces. So 6 pounds are 96 ounces.