Multiplying Fractions By Whole Numbers Project | 4th Grade Math PBL


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This 5-day project-based math resource applies math concepts in a real-world scenario to teach students about multiplying a fraction by a whole number. In this 5-day unit, students will apply fraction concepts to design a bakery. This fraction math project is engaging and authentic. Plus, it’s available as both a digital and print resource.


This project-based math resource covers concepts of fraction multiplication and is aligned with the following 4th Grade Math Common Core State Standards:


  • Apply and extend previous understandings of multiplication to multiply a fraction by a whole number.


This resource is available in both Printable & Digital Google Slides versions.


What’s included in this resource:

  • Background Knowledge: Using a KWL, students will build background knowledge around designing and opening a bakery.
  • Multiplying a Fraction by a Whole Number: Using the included instructional pages, students will learn how to multiply a fraction by a whole number with visual models.
  • Simplifying Fractions: Using the included instructional pages, students will learn how to simplify fractions and apply this skill to the rest of their work.
  • Select Menu Options: Students will select from a variety of options to create a menu for their bakery.
  • Calculate Quantities of Ingredients Needed Each Day: Using fraction multiplication concepts, the students will calculate how much they need for each ingredient each day.
  • Build a Display Case: Students will determine a layout for their display case and use fraction concepts to determine how many items they can place on each display shelf.
  • Choose Flooring: Students will choose from a selection of flooring options and use fraction multiplication to choose the best flooring for their bakery.
  • Painting Options: Students will calculate the amount of paint needed from a variety of paint choices to paint their bakery sign.
  • Wrap Up: Students will write up their final bakery design plan and explain their decisions.



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