This article is written for middle school students to learn about multiplying fractions. It is brief (one page), but will give your students an understanding of multiplication as scaling by a factor larger or smaller than one. This can be used in station rotations or with a whole class. I have included directions and activity sheets for a partner reading activity and small group summarizing.
This article was written by Kimberly Wasylyk, a math teacher with over 10 years of experience.
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Interpret multiplication as scaling (resizing), by:
Comparing the size of a product to the size of one factor on the basis of the size of the other factor, without performing the indicated multiplication.
Explaining why multiplying a given number by a fraction greater than 1 results in a product greater than the given number (recognizing multiplication by whole numbers greater than 1 as a familiar case); explaining why multiplying a given number by a fraction less than 1 results in a product smaller than the given number; and relating the principle of fraction equivalence a/b = (n × a)/(n × b) to the effect of multiplying a/b by 1.
Common Core Math Article - Multiplying Fractions
by Kimberly Wasylyk
is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License