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.
Stephan Pelikan, Anna F. DeJarnete, and Stephen Phelps
A monthly set of problems is aimed at a variety of ability levels.
E. Fanny Sosenke and Tala Councilman
A real-world problem about the cost of moving one's household from one city to another.
Carolyn James, Ana Casas, and Douglas Grant
Encouraging students to justify earlier as they attempt to solve an open-ended task can lead to greater understanding and engagement.
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.
Courtney Starling and Ian Whitacre
Introduce your students to a fun and innovative game to encourage precise communication
Making Squares
little problems with big solutions
Annie Perkins and Pamela J. Wells
To elicit creative student thinking, this open-ended problem asks solvers to measure as many squares as possible using a certain size of cardboard.
Stephan Pelikan, Anna F. DeJarnette, and Stephen Phelps
A monthly set of problems is aimed at a variety of ability levels.
Patterns on a Calendar
big solutions to little problems
Jo Ann Cady and Pamela J. Wells
Solutions to a previous Solve It problem are discussed, and the procedures used with problem solving are explored.
A cartoon exploring a problem about order of operations is coupled with a full-page activity sheet.