Grade 3 Mathematics Module 5, Topic B, Overview

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In Topic B, students compare unit fractions and learn to build non-unit fractions with unit fractions as basic building blocks (3.NF.3d).  This parallels the understanding that the number 1 is the basic building block of whole numbers.  

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Common Core Learning Standards

CCLS State Standard
3.NF.1 Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal...

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