Heron's Formula: Interactive Notebook Notes and Practice for Heron's Formula

Heron's Formula Color by Number Practice Activity is a set of notes and practice for learning about and applying Heron’s Formula. Students first learn the what Heron’s formula is Students then practice applying Heron’s formula with practice problems included in this guide.

Optional: solving the entire triangle by also finding all the angles of a triangle using law of cosines is also included in notes and practice. If you use this option, students should already be familiar with the law of cosines.

NOTE: these notes do not include the proof which is readily available online.

This purchase is for one teacher only. This resource is not to be shared with colleagues or used by an entire grade level, school, or district without purchasing the proper number of licenses. If you are interested in a site license, please contact me for a quote at docrunning@kulikuli.net. This resource may not be uploaded to the internet in any form, including classroom/personal websites or network drives.



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  • Triangles_Herons-formula_INB_DR.pdf

About this resource


Created: Jul 1, 2016

Updated: Feb 22, 2018

Lesson Plan

pdf, 2 MB


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