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lesson 16
1 hour

Explore Part To Whole Relationships


In Lesson 16, students explore partwhole relationships while solving a challenging problem: “One half of Nell’s money is equal to 2 thirds of Jennifer’s.” This lesson challenges the underlying assumption of all fraction arithmetic—that when adding and subtracting, fractions are always defined in relationship to the same whole amount.


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From of the New York State Education Department. Grade 5 Mathematics Module 3, Topic D, Lesson 16. Available from; accessed 2015-05-29.
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