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.
Grade 3 Mathematics Module 5, Topic B, Overview
Resources may contain links to sites external to the EngageNY.org website. These sites may not be within the jurisdiction of NYSED and in such cases NYSED is not responsible for its content.