Two problems involving grouping invite students to devise their own model and strategies.
little problems with big solutions
Sherri L. Baer and Edward S. Mooney
A cartoon involving astronomy and astronomical units is coupled with a full-page activity sheet.
A game called Five Steps to Zero and its variations are meant to help students with mathematical reasoning.
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.
Robert Q. Berry III and Mark W. Ellis
See how one seventh-grade teacher melds NCTM's Process Standards, CCSSM's Standards for Mathematical Practice, and multidimensional teaching to engage students.
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.
Sherri L. Martinie
Teachers who are skilled at recognizing students' misconceptions about decimals are better equipped to make instructional decisions that build on these ideas.
“when will I ever use this?”
This problem ties in the Pythagorean theorem while two people walk around or across a park.