# Pythagorean & Triangle Inequality Theorems~Right/Obtuse/Acute?~Sort

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1. 11 Activities ... Multiple levels of difficulty for most activities3 Foldables 13+ Walls That TeachThis bundle reviews ...- Angles of Triangle (finding the missing angle)- Exterior Angles of Triangles (finding the missing angle)- Identifying Special Segments of a Triangles (and their point of concur
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Product Description

Sorting activity. Students are given sets of 3 numbers. Students use must decide if the 3 numbers would form a triangle, and if it does use Pythagorean’s Inequalities to determine if the triangle is a right, obtuse or acute triangle.

There are 2 versions for the sort. One with whole numbers and the other includes fraction, decimals and square roots. Also included is a sorting mat for student to use. After completing the sort, I have my students draw the mat in their ISN and write in at least 2 examples of each type.

Alternative Sort: When we first learn about triangle inequalities, we only look at whether the numbers will form a triangle. So the first time I use this sort student will sort the numbers into 2 piles: It can be a triangle, it can’t be a triangle. I have included a mat for this sort also.

Possible Uses:

• Bell work

• Practice

• Homework alternative

• Check for understanding

• Interactive Student Notebooks

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