MTMS: November 2009, Volume 15, Issue 4

	Mathematics Teaching in the Middle School November 2009, Volume 15, Issue 4
	Articles

	Laying Siege to Parabolic Understanding John W. Rick
	Proof: Examples and Beyond Eric J. Knuth, Jeffrey M. Choppin and Kristen N. Bieda
	Algebraic Reasoning through Patterns F. D. Rivera and Joanne Rossi Becker
	Bursting with Geometry Beth Cipoletti and Nancy Wilson
	The Power of Incorrect Answers Brittany L. Hoffman, M. Lynn Breyfogle and Jason A. Dressler

	Departments
	Take Time for Action: How Students Interpret Graphs
	Call for Manuscripts for the 2011 Focus Issue: Connecting Geometry and Algebra in the Middle Grades
	Cartoon Corner: Wally’s Billion
	Solve It!: Product-ku Light
	Palette of Problems
	Call for Manuscripts: Mathematical Explorations
	Mathematical Explorations: Hot Wheels
	Families Ask: Cooperative Learning
	Window on Resources
	Math for Real: Board Feet