Reflection: Modeling Fractions On A Number Line - Section 2: Working Together

 

It was necessary for me to demonstrate using the fraction bar strips  of 1/4, 1/8, and 1/2  to focus their attention on the smallest fraction unit. Finding the first fraction of half is key in this lesson.  However, that was the easy one, and it was the second fraction that was difficult for the students.  Asking several questions, and rephrasing the same question was necessary for the students to figure out the next section.

The difficulty may be attributed to the first day back at school after a two week break, and math is our first period of the day.  I also think it may be helpful to have individual fraction pieces to manipulate and model with to find the smallest fraction unit to place next to zero.   Once they found the second fraction for the number line, their strategies moved more quickly. 

  Finding The First Fraction
  Modeling: Finding The First Fraction
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Fractions On A Number Line

Unit 4: Fractions
Lesson 4 of 18

Objective: SWBAT order fractions on a number line.

Big Idea: As students develop an understanding of unit fractions, they can begin to order them on a number line to support comparing fractions in future lessons and grades.

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Subject(s):
Math, Number Sense and Operations, Fractions, Number Line Fractions, Critical Area, Benchmark fractions
  35 minutes
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