Jacqueline Leonard; Louise Campbell
Lessons introduced to middle school children in the Washington, D.C. area on the stock market. Students kept eight weeks of records and learned about decimals and place value. Teachers will learn how these students learned number sense through the stock market unit and how to implement it in the classroom.
A. Erbas; Sarah Ledford; Drew Polly; Chandra Orrill
Some ways that technology can be used to promote mathematical thinking and problem solving. Specifically focusing on the use of technology for multiple representations. Examples are given of sample problems to use in the classroom to integrate technology.
Arthur Baroody; Jesse Wilkins
Students develop problem-solving heuristics by exploring the "inverting-a-triangular-array problem".
Melanie Parker
A representation for percent that can help students deepen their understanding of the proportional nature of percent in its applications. Examples are provided for teachers to implement this activity in the classroom.
Lynda Colgan
The integration of transformational geometry, mathematics, history, art, and cultural studies in a middle-grades mathematics classroom.