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Promoting Decimal Number Sense and Representational Fluency

Jennifer Suh, Chris Johnston, Spencer Jamieson, Michelle Mills 

August 2008, Volume 14, Issue 1, Page 44

Abstract:
Describes fifth- and sixth-grade teachers involved in lesson study, in which they collaboratively planned, observed, and analyzed a lesson using multiple representations to teach decimal number sense. The lesson described uses 10X10 grids to represent decimals as well as a game to practice adding and subtracting.  The setting for this lesson study included many ELL and special needs students so the authors describe how to build representations and vocabulary with these students.

Keywords:
Grade 5
Grade 6
Grade 7
English Language Learners (ELL)
Inclusion
Article
Addition and Subtraction
Conceptual Development
Grades 6-8
Math Coordinator / Coach
Research
Teacher
Manipulatives
Fractions / Decimals / Percents / Rational Numbers
Student Work