Mathematical Explorations: Find the Distance: No Formula Necessary

classroom-ready activities

View More View Less

This activity involves finding the distance between two points in a coordinate plane and emphasizes reasoning from repeated calculations, which is one of the mathematical practices specified by the Common Core State Standards for Mathematics.

Supplementary Materials

    • Supplemental Materials (PDF 538 KB)

Contributor Notes

Ryota Matsuura,, is an assistant professor of mathematics at St. Olaf College in Northfield, Minnesota. His interests include how teachers acquire mathematical habits of mind and apply these habits to their classroom instruction.

Yu Yan Xu,, is a mathematics teacher at the Humanities Leadership and Development High School in Lawrence, Massachusetts. She has been teaching in Lawrence for the past seven years, helping her students develop good mathematical habits and an appreciation for the subject.

(Corresponding author is Matsuura author is Xu
Mathematics Teaching in the Middle School


All Time Past Year Past 30 Days
Abstract Views 16 15 2
Full Text Views 35 22 4
PDF Downloads 19 14 6
EPUB Downloads 0 0 0