Lesson Plan

Area with Decimals and Fractions

Refresh students on the relationship between decimals and fractions when they multiply to find the area! They will find the area of a location in a picture by converting mixed numbers to a decimals and then using the area equation.
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Need extra help for EL students? Try the Converting Fractions to Decimals pre-lesson.
View aligned standards
Need extra help for EL students? Try the Converting Fractions to Decimals pre-lesson.

Learning Objectives

Students will be able to find the area of rectangular shapes with one fractional dimension using the area equation.

The adjustment to the whole group lesson is a modification to differentiate for children who are English learners.
EL adjustments


(7 minutes)
  • Display a visual of a location with a sketch of a rectangle to show a portion of the location. Make sure it's a familiar location for your students (e.g., a gymnasium, tennis court, etc.). Add two-digit whole numbers for the dimensions. (Tip: you can take pictures of familiar locations to the students, project them on the board, and then write out dimensions.)
  • Ask students to calculate the area of the rectangle on their whiteboards. Tell them to share their answers with their elbow partners when they are finished.
  • Call on students to share their calculations. Choose a student to show their method for calculating the area of the rectangle.
  • Explain to students that while the examples involved dimensions with whole numbers, they will find the area of locations with dimensions that are fractions or decimals by using the using the area equation.


  • Allow students to use their home language (L1) or new language (L2) in their discussions.
  • Choose a location that will be engaging and familiar to the students.
  • Review key terms such as "area," "dimensions," "fractions," or "decimals" as necessary.


  • Write the academic language students can use throughout the lesson on the board as you introduce the language.
  • Provide sentence stems if necessary: "The area is... I multiplied..."

Related Guided Lesson

Fractions 3

2 online games
6 online exercises
5 printable worksheets
View Guided Lesson
fifth grade
Subject Math