Understand the Opposites of Fractions by Looking at a Number Line

This Understand the Opposites of Fractions by Looking at a Number Line video also includes:

Continue with opposite numbers as you introduce fractions to your learners. The presentation shows that fractions have opposites like regular numbers, and plots them on horizontal and vertical number lines. Use estimation to plot different fractions and mixed numbers on a number line. Video does not do step-by-step instruction for all problems, some additional teacher instruction may be needed. (Second video in a series of seven)

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CCSS: Designed
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Classroom Considerations

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Pros

  • Can be used with prior video as extension into fractions
  • Part of a series for more practice with converting and placing on number line
  • Extra practice and activities are provided in slides listed under resources
Cons

  • Review is too quick, can be confusing
  • Uses estimates to plot fractions with limited reasoning as to why
  • Fast-paced video
  • Initial statement about infinite numbers on a number line is never addressed
Common Core