Students used a pinch of this (a 3D printer and geometry software) and a cup of that (various volume formulas) to complete a tiered task.
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The Cake Contest
Colleen Haberern
December 2016 January 2017 Problems
Stephan Pelikan, Anna F. DeJarnete, and Stephen Phelps
A monthly set of problems is aimed at a variety of ability levels.
Generalizing and Skepticism: Bringing Research to Practice
David A. Yopp and Jacob L. Ellsworth
Learn why generalizing is important but that overgeneralizing can be problematic.
Moving to a New City
E. Fanny Sosenke and Tala Councilman
A real-world problem about the cost of moving one's household from one city to another.
Problem solving with the Sneetches
James Russo and Toby Russo
Math by the Month features collections of short activities focused on a monthly theme. These articles aim for an inquiry or problem-solving orientation that includes four activities each for grade bands K–2, 3–4, and 5–6. In this issue, teachers read the classic Dr. Seuss book The Sneetches and other stories with their class and get students to engage with these associated mathematical problems. The problems, many of which are open-ended or contain multiple solutions or solution pathways, cover a range of mathematical concepts.
Zero Pairs: Learning about Additive Inverses
Kasandra Dickman and Laura Bofferding
This department explores a game used to help students learn about additive inverses, or “zero pairs.” Authors describe some common reasoning that students used while playing the game and provide activity sheets geared toward students in grades 5–7.
Attending to Precision with Secret Messages
Courtney Starling and Ian Whitacre
Introduce your students to a fun and innovative game to encourage precise communication
Burgers and Fries: Exploring Equivalent Expressions
Frieda Parker and Vida Treviño
This activity engages students in a lesson about algebraic relationships concerning groupings of hamburgers and French fries, coupled with full-page activity sheets.
Creating Inequalities from Real-World Experiences
Erin Turner, Amanda T. Sugimoto, Kathleen Stoehr, and Erica Kurz
Research-based strategies are described for supporting students as they mathematize real-world scenarios and create inequalities to model situations and contexts from their own lives.
Finding math in reading and science
Lisa Brooks
Math by the Month features collections of short activities focused on a monthly theme. These articles aim for an inquiry or problem-solving orientation that includes four activities each for grade bands K–2, 3–4, and 5–6. This month's article considers one way to teach children to be lifelong learners: by applying problem-solving skills and a variety of math concepts at home, including time, measurement, basic operations, and fractions.
