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Solving proportions Word problems Video transcript A recipe for oatmeal cookies calls for 2 cups of flour for every 3 cups of oatmeal. How much flour is needed for a big batch of cookies that uses 9 cups of oatmeal?

So let's think about what they're saying. They're saying 2 cups of flour. So 2 cups of flour for every 3 cups of oatmeal.

And so they're saying, how much flour is needed for a big batch of cookies that uses 9 cups of oatmeal? Now we're going to go to a situation where we are using 9 cups of oatmeal.

Let me write it this way-- 9 cups of oatmeal. And I'll show you a couple of different ways to think about it. And whatever works for you, that works. So one way to think about it, so we're wondering. We're going to say, look, we know if we have 3 cups of oatmeal, we should use 2 cups of flour.

But what we don't know is if we have 9 cups of oatmeal, how many cups of flour do we use? That's what they're asking us. But if we're going from 3 cups of oatmeal to 9 cups of oatmeal, how much more oatmeal are we using?

Well, we're using three times more oatmeal, Right? We're multiplying by 3. Well, if we want to use flour in the same proportion, we have to use 3 times the flour. So then we're also going to multiply the flour times 3. We're going to multiply the flour times 3, so we're going to have to use 6 cups of flour.

Ignore that question mark. And that answers the question. That's how much flour we need for a big batch of cookies that uses 9 cups of oatmeal. The other thing is you could set up a proportion.write a problem write a word problem involving the number of pages in a regardbouddhiste.com write the numerical expression that you would need to use to solve your problem.

math Suppose your teacher tells you to write a word problem using the number 3. Which would be the best object to use in your problem?

Explain. Then write and solve a word problem using that object.

(tricycle, bike, wagon) asked by Bryce on September 25, ; Math. Write a word problem that will use the equation 2/6x8/10=x in order to solve.

Then simplify and multiply to solve. The other consideration is longevity, and I quote two paragraphs from the excellent book by John Watkinson The Art of Digital Audio where he is discussing the magnetic layer of a Magneto-Optical disc.

Magnetic layers with practical Curie temperatures are made from proprietary alloys of iron, cobalt, platinum, terbium, gadolinium and various other rare earths. Use these printables to help your students master basic multiplication facts with 9 as a factor.

Also find sheets with all facts up to 9s. 1oa1 Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

1oa2 Solve word problems that call for addition of three whole numbers whose sum is less. Have you ever wondered how to write a children’s book, and if you have what it takes to create one? For me, it’s this smile. That’s my reason for writing children’s books. Many aspiring (and even accomplished) authors dream of writing a children’s book.

Maybe you have an incredible idea.

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GCF & LCM word problems (video) | Khan Academy