Common Denominator ECD

Find the easiest common denominator. A video demonstrates finding a common denominator to add fractions. Pupils learn how to find a common denominator by using the product of the two denominators. After finding the common denominator, the video shows how to generate an equivalent fraction before adding.

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CCSS: Adaptable
Instructional Ideas

  • Review finding equivalent fractions and simplifying fractions
  • Provide opportunities for the class to practice finding common denominators before moving on to addition and subtraction
Classroom Considerations

  • Individuals should know how to add fractions with common denominators

  • Uses colors to show relationships between numbers
  • Connects and refers to previous videos in the series to provide continuity to different skills

  • None
Common Core