This game teaches algebraic generalizations through differentiated play in pairs, small groups, or as a whole class and uses manipulatives to bridge numerical and algebraic thinking.
Karen Zwanch and Bridget Broome
George J. Roy, Kristin E. Harbour, Christie Martin, and Matthew Cunningham
Using this strategy, a teacher facilitates a short conversation during which students verbally explain and justify reasoning. We have found that a coordinated series of number talks supports students’ reasoning when comparing fractions.
Josephine Derrick, Joe Champion, and Ramey Uriarte
A new classroom-tested lesson was designed to engage students in the joy of mathematical inquiry through a game, while building number sense, understanding of uncertainty, statistical reasoning, and discourse skills.
Katherine N. Vela, Michelle Parslow, Rita Hagevik, and Kathy Cabe Trundle
A real-world integrated activity allows middle school students to design a scale drawing for a garden at their school.
Paula Beardell Krieg
An artist uses graphic tools and circles to illuminate the illusive concept of the golden ratio.
Marina Basu, Karen Koellner, Jennifer K. Jacobs, and Nanette Seago
This set of tasks progressively engages students in geometric proportional reasoning.
This article describes how fortuitous mathematical moments should be noticed, encouraged, embraced, and capitalized upon.
Jerilynn Lepak and Taren Going
Teaching transparently about the process and goals can support students as they make and support mathematical claims.
Draw on two simulations to introduce compound events and help your class make connections between experimental and theoretical probabilities.
Jessica Pierson Bishop, Lisa L. Lamb, Ian Whitacre, Randolph A. Philipp, and Bonnie P. Schappelle
Are your students negative about integers? Help them experience positivity and joy doing integer arithmetic!