Reflection: Developing a Conceptual Understanding Fourths and Quarter Cakes - Section 2: Looking At Fourths


One of the circles was broken into three equal parts.  I was not intending on discussing the concept of thirds, but a student knew that it wasn't fourths and thought these pieces might be called thirds (see Discussing Thirds).  So, I spent a few minutes talking about it and asked why it might be called thirds.  

Although this wasn't part of my initial plan, this conversation allowed for some to make easy connections to thirds, fifths, sixths, and so on.  For some, it was a good opportunity to be informally introduced to other fraction notations.

  Developing a Conceptual Understanding: Capitalizing on a Student Idea
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Fourths and Quarter Cakes

Unit 13: Fraction Action Lessons
Lesson 4 of 5

Objective: SWBAT create and identify fourths and divide shapes into fourths. SWBAT use the standard notation of 1/4.

Big Idea: Today your students will look at the difference between a shape being divided into fourths or four parts.

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8 teachers like this lesson
Math, fraction notation, fourths, 1st gra, equal groupings
  70 minutes
creating cakes
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