Abstract
This article describes activities that can be used to introduce the concepts of perimeter and area with conceptual understanding for students in grades 4 through 9. The transformations of reflection and rotation are used to build this understanding.
Keywords
area, geometry, measurement, transformation
How to Cite
Moyer, T. & Krach, R., (2022) “Formulas! Formulas! Everywhere!”, Ohio Journal of School Mathematics 92(1), 13--26. doi: https://doi.org/10.18061/ojsm.4212
Rights
Todd O Moyer, R. Michael Krach