Your device is currently offline. You can view downloaded files in My Downloads.

Lesson Plan

Add fractions with unlike denominators by using area models

teaches Common Core State Standards CCSS.Math.Content.5.NF.A.1
teaches Common Core State Standards CCSS.Math.Content.5.NF.A.2
teaches Common Core State Standards CCSS.Math.Practice.MP1
teaches Common Core State Standards CCSS.Math.Practice.MP2
teaches Common Core State Standards CCSS.Math.Practice.MP4

You have saved this lesson!

Here's where you can access your saved items.


Card of

or to view additional materials

You'll gain access to interventions, extensions, task implementation guides, and more for this lesson.

Big Ideas: Because fractions are representations of equal parts, they can only be added or subtracted when those parts are of the same size or value. This lesson builds on students' work with adding fractions with like denominators. In this task, Sophia is adding fractions with unlike denominators to determine what two activities she spends at least half her day on. The mathematical concept in this lesson builds toward future work solving ratio, rate, and proportion problems, and prepares students for work with greatest common factors and least common multiples in 6th grade algebra. Vocabulary: area model, numerator, unlike and like denominator, vertical, horizontal Special Materials: Colored pencils (optional)
Provide feedback