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6th Grade Math - Area Formulas

Updated: Mar 31

This post explains and gives practice opportunities related to TEKS 6.8B:

model area formulas for parallelograms, trapezoids, and triangles by decomposing and rearranging parts of these shapes


Area formulas should be memorized but that doesn't mean students should know how to derive them. Here's how to find the formula for the area of a triangle.

Here's a video showing how to derive the area of a parallelogram.

Finally, the formula for area of a trapezoid can be represented multiple ways.


STAAR Practice

Between 2016 and 2023, this supporting standard has been tested 2 times on the STAAR test. Videos explaining the problems can be found below. If you'd rather take a quiz over these questions, click here. The videos below are linked to the questions in the quiz as answer explanations after the quiz is submitted.


To view all the posts in this 6th grade TEKS review series, click here.

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