1st Edition
A Focus on Ratios and Proportions Bringing Mathematics Education Research to the Classroom
 
Preface
Acknowledgements
- Understanding Ratio, Rates, and Proportions
- Deepening Understanding of Ratio and Proportion Concepts
- Understanding the OGAP Proportionality Framework and Progression
- Using the OGAP Ratio and Proportion Progression to Inform Instruction and Student Learning
- Structures in Proportion Problems
- Structures in Ratio and Rate Problems
- More Problem Contexts
- Understanding the Cross Products Procedure
- Percents-Building Understanding, Flexibility and Fluency
References
Index
Biography
Marjorie M. Petit is an educational consultant in mathematics instruction and assessment and a co-director of OGAPMath LLC.
Robert E. Laird is Co-Director of Teaching, Learning and Research with the Vermont Mathematics Initiative (VMI), a co-director of OGAPMath LLC, and a member of the OGAP National Professional Development Team.
Matthew F. Wyneken is an associate professor of mathematics education at the University of Michigan-Flint.
Frances R. Huntoon is an educational consultant in mathematics instruction and a member of the OGAP National Professional Development Team.
Mary D. Abele-Austin is a middle school math coach and a member of the OGAP National Professional Development Team.
Jean D. Sequeira is a middle school math interventionist and a member of the OGAP National Professional Development Team.






