Dash & Dot: A Slice of Number Line Pie (Gr. 3-5)


Already knowing fractions of pizza and pie, students will "roll out" those models to connect them to the number line. In this lesson, students will use Dash to model fractions on a number line.


  • Connect circular fraction models to the number line
  • Understand that a unit fraction 1/b represents 1 section of a number line [0,1] that is broken into b sections
  • Model unit fractions on the number line
  • Model proper fractions on the number line

Lesson Procedure

  • Class 1: From fractions circles to number lines (20- 30 minutes)
  • Class 2: Unit fractions on a number line (30 - 40 minutes)
  • Class 3: Proper Fractions on a number line (30 - 40 minutes)


Robots and Accessories

Other Supplies

  • Fraction Review Worksheet printouts
  • Sticky notes
  • Markers
  • Rolls of masking tape for students to create their own number line
  • Yard/meter stick
  • Tablets - See Tablet Compatibility

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