Students explore the relationships among lines, slopes, and y-intercepts in the context of printing their algebra textbooks.
Students use a spreadsheet to facilitate their exploration. This activity is based on an idea from Navigating Through Algebra in Grades 6-8 (NCTM, 2001).
Illuminations (National Council of Teachers of Mathematics)
Illuminations works to serve you by increasing access to quality standards-based resources for teaching and learning mathematics, including interactive tools for students and instructional support for teachers.