Math

Extending Operations to Fractions

Unit 3 of our Illustrative Mathematics resource.

Students bring their understanding of unit fractions and number lines to this unit. They begin by using diagrams to multiply whole numbers by fractions. 

Then, they use number lines to decompose and add fractions. They also learn to subtract fractions using the number line. They apply this understanding to decomposing non unit fractions to subtract without use of a number line. By the end of Section B, they sort, display, and interpret fractional data on line plots, using addition and subtraction.

In the final section, students apply their understanding of equivalence to solve real-world problems involving tenths and hundredths (represented as fractions).

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