Our middle school mathematics department used lesson study to investigate how to introduce fractions division to our sixth-grade students. We highlight our learnings during the Study and Plan phases, describe our observations during the lesson, and provide tips for educators interested in using lesson study to study their own content.
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Scott Corwin, Michelle Cascio, Katherine Emerson, Laura Henn and Catherine Lewis
Manouchehri Azita, Ozturk Ayse and Sanjari Azin
In this article we illustrate how one teacher used PhET cannonball simulation as an instructional tool to improve students' algebraic reasoning in a fifth grade classroom. Three instructional phases effective to implementation of simulation included: Free play, Structured inquiry and, Synthesizing ideas.
Aline Abassian and Farshid Safi
This article dives into the importance of engaging students in investigating the mathematics of businesses that pressure their members to recruit new members as a basis for success, also referred to as multi-level marketing (MLM). The mathematics behind these businesses are discussed, and a sample student task is given.
Trena L. Wilkerson
How has NCTM leadership shaped the evolution of teaching and learning mathematics? What are your expectations for NCTM leadership?
Angela T. Barlow
Editor Comments for May 2020 issue
Toya Jones Frank
This article looks back at NCTM's leadership efforts with respect to equity, access, and empowerment and offers suggestions for moving the work forward.
Jon Orr and Kyle Pearce
Wondering how to create a classroom culture where students don't want to stop exploring mathematics when the bell rings? We were too and that's why we teammed up to uncover how we can Make Math Moments That Matter for every student in the math classroom with a weekly podcast.
Steve Ingrassia and Molly Rawding
28 problems spanning the grades PK-12
Katherine Baker, Naomi A. Jessup, Victoria R. Jacobs, Susan B. Empson and Joan Case
Productive struggle is an essential part of mathematics instruction that promotes learning with deep understanding. A video scenario is used to provide a glimpse of productive struggle in action and to showcase its characteristics for both students and teachers. Suggestions for supporting productive struggle are provided.
Jennifer A. Czocher, Diana L. Moss and Luz A. Maldonado
Conventional word problems can't help students build mathematical modeling skills. on their own. But they can be leveraged! We examined how middle and high school students made sense of word problems and offer strategies to question and extend word problems to promote mathematical reasoning.