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Comparison word problems compare one amount to another amount. If one object is a certain number of times greater than another object, we can use multiplication to find how great it is. We can use the strategy draw a diagram, to solve comparison problems that involve fractions, by drawing bar models. We can use a bar model to show how many times more one amount is than the fraction amount. Then we can use the model to write a multiplication equation to solve the problem.
We solve four word problems that involve comparing fractions. We review the definition of a variable and how they are used. We use higher order thinking skills to quickly see if an equation with a whole number multiplied by a mixed number will have a whole number as its product.
4th Grade Math 7.6, Rename Fractions and Mixed Numbers
4th Grade Math 8.4, Multiply a Fraction or Mixed Number by a Whole Number
4th Grade Math Playlist
I'm using the Houghton Mifflin Go Math!
2015 copyright textbook for this playlist.
You can practice online using the textbook's website
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