A cartoon that explores long division is coupled with a full-page activity sheet.
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Sailor Monkeys
little problems with big solutions
Sherri L. Baer and Edward S. Mooney
Two problems involving grouping invite students to devise their own model and strategies.
A cartoon involving astronomy and astronomical units is coupled with a full-page activity sheet.
Rob Wieman
A game called Five Steps to Zero and its variations are meant to help students with mathematical reasoning.
Pruning Trees
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 highlighting growth of a retirement fund is coupled with a full-page activity sheet.
Emily G. Kuper and Patrick M. Kimani
Students engage in a fractions task involving 2/3 men and 3/5 women, and teachers analyze their thinking.
Nirmala Naresh and Bridget Royce
Students design game boards and gather experimental data to better understand the hidden mathematics in a common television game show.
Mathematical Explorations: Will It Terminate?
classroom-ready activities
Aliza Libman Baronofsky
An activity explores whether a fraction will terminate or repeat. Activity sheets are included.
Amy E. Hunter, Sarah B. Bush and Karen Karp
Consider this research-based intervention approach to ratio using concrete, semiconcrete, and abstract representations to help students who struggle with this concept.
