Number & Operations for Teachers
Copyright David & Cynthia Thomas, 2009
Chapter/Section
Chapter Four: Fraction Addition & Subtraction
4.1 Modeling the Meaning of Addition and Subtraction
Objective
Use concept models and alternative algorithms to understand fraction addition and subtraction.
Overview
Fraction Bar Model Area Model
Readings
Modeling the Meaning of Addition and Subtraction
Homework
Exercises
Links
National Library of Virtual Manipulatives for Interactive Mathematics
NCTM Illuminations