This resource offers a groundbreaking effort to make mathematics education research on ratios and proportions readily accessible and understandable to preservice and in-service teachers of grades 6 to 8. Using extensive annotated samples of student work and based on research gathered in the Ongoing Assessment Project (OGAP), A Focus on Ratios and Proportions teaches readers how students develop understanding and fluency involving ratio and proportion concepts.Special features include:
This is Book 29 in the Studies in Mathematical Thinking and Learning Series Series. See all Studies in Mathematical Thinking and Learning Series books here.
See More Educational: Mathematics & numeracy
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Marjorie M. Petit is an educational consultant in mathematics instruction and assessment and has provided leadership in the development and ongoing implementation of the Ongoing Assessment Project (OGAP).
Robert E. Laird is a research associate with the Vermont Mathematics Initiative at the University of Vermont and a member of the OGAP leadership team.
