Modeling Fractions (Area Models)


Model and compare fractions using area models. Set the denominators with the arrow buttons, and then set the numerators with the arrow buttons or by clicking in the models. Compare fractions visually, on a number line, or numerically using the least common denominator.

Screenshot of Modeling Fractions (Area Models) Gizmo

LESSON MATERIALS:

LEARNING OBJECTIVES:

  • Understand the meaning of the numerator and denominator of a fraction.
  • Determine the effect on the value of a fraction when you:
    • Increase or decrease the numerator.
    • Increase or decrease the denominator.
  • Create fractions that are equivalent to a given fraction.
  • Find the least common denominator (LCD) of a pair of fractions.
  • Compare fractions, both visually and numerically, using the LCD.
  • Find the difference between two fractions.

VOCABULARY:

  • denominator, difference, equivalent, fraction, least common denominator, numerator

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  • Winner: Award of Excellence

    2009, 2008 Tech and Learning Magazine

  • Winner: Distinguished Achievement Award

    2008, 2007, 2005 AEP

  • Finalist: Distinguished Achievement Award

    2010, 2009, 2006 AEP

  • Finalist: Golden Lamp Award

    2009, 2008, 2006 AEP

  • Finalist: Best Math Instructional Solution

    2009, 2008, 2006 SIIA CODiE Awards

  • Finalist: Best Instructional Solution, Science

    2009, 2008 SIIA CODiE Awards

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    2006 SIIA CODiE Awards

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