Compare and Discuss Multiple Strategies

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  • 1 Harvard Graduate School of Education, Cambridge, MA
  • | 2 John J. McGlynn Middle School, Medford, MA
  • | 3 Nashoba Regional High School, Bolton, MA
  • | 4 Vanderbilt University, Nashville, TN

CDMS is a routine that allows teachers to organize instruction around students’ mathematical discussions and multiple problem-solving methods.

Mathematics Teacher: Learning and Teaching PK-12
  • Barlow, Angela T., Natasha E. Gerstenschlager, and Shannon E. Harmon. 2016. “Learning from the Unknown Student." Teaching Children Mathematics 23, no. 2 (September): 7481.

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  • Durkin, Kelley, Bethany Rittle-Johnson, Jon R. Star, and Abbey Loehr. 2021. “Comparing and Discussing Multiple Strategies: An Approach to Improving Algebra Instruction." The Journal of Experimental Education. Published online April 1, 2021. https://doi.org/10.1080/00220973.2021.1903377.

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  • National Governors Association Center for Best Practices (NGA Center) and Council of Chief State School Officers (CCSSO). 2010. Common Core State Standards for Mathematics. Washington, DC: NGA Center and CCSSO. http://www.corestandards.org.

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  • Star, Jon R., Kelley Durkin, Abbey Loehr, Stephanie Fine, Chad Desharnais, and Bethany Rittle-Johnson. 2019. “Compare and Discuss Multiple Strategies in Algebra 1: A Supplemental Curriculum." https://www.compareanddiscuss.com/.

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  • Star, Jon R., Martina Kenyon, Rebecca Joiner, and Bethany Rittle-Johnson. 2010. “Comparing Pays Off!" Mathematics Teacher 103, no. 8 (April): 60812.

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