Visualizing the Area of a Trapezoid Formula

Visually Understanding Area of a Trapezoid in Multiple Ways

Visualizing the Area of a Trapezoid Formula

While some students are aware that they could find the area of a trapezoid by treating the shape like a composite figure, I wanted to help students better understand where the formula comes from with a visual aid. Here is the next video animation I created in my Visualizing Mathematics series: Visualizing the Area of a Trapezoid Formula.

Stage By Stage PDF File

Here is a stage-by-stage PDF file for you to grab, if you’d like:

Please let me know if you/your students found this resource helpful to better understand where the Volume of a Triangular Prism comes from!

If you’re interested in creating animations for your own math class, download Keynote here:

Check out the other animations from this series:





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About Kyle Pearce

I’m Kyle Pearce and I am a former high school math teacher. I’m now the K-12 Mathematics Consultant with the Greater Essex County District School Board, where I uncover creative ways to spark curiosity and fuel sense making in mathematics. Read more.


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