Hands on lesson about the angles in a triangle

A Little Sum-thing about Triangles

My Geometry students loved this!  This Classifying Triangles card sort worksheet activity was the perfect activity for my Middle School Math & High School Geometry students to practice sorting triangles by their angle and side measurements.  Students had to figure out if the triangles with Equilateral, Isosceles, or Scalene.  Then they had to figure out if they were Equiangular, Right, Acute, or Obtuse Triangles.  I will definitely be doing this in our math interactive notebooks again!

Classifying Triangles Card Sort

By the end of the activity student should be able to identify what type of triangle each triangle is based on prior knowledge.

FREE Download! Increase math literacy in your classroom!  Properties of Parallel Lines Cut by Transversals Classroom Poster.

Increase math literacy in your classroom! Properties of Parallel Lines Cut by Transversals Classroom Poster.

This is a coloring activity for a set of 12 problems on the exterior angle sum theorem.  The exterior angle is equal to the sum of the two remote interior angles.  Problems 1 - 6 are easy and problems 7 - 12 are challenging where algebra is reinforced.This product is included for free in the triangle activity bundle.Posted:   9/22/15 so 50% off through 9/25/15

Triangles: exterior angle sum theorem #1 coloring activity

This is a coloring activity for a set of 12 problems on the exterior angle sum theorem. The exterior angle is equal to the sum of the two remote interior angles. Problems 1 - 6 are easy and problems 7 - 12 are challenging where algebra is reinforced.

Definitely using this as a lesson opener for special right triangles.

Definitely using this as a lesson opener for special right triangles. There's also a link here for intro to trig functions.

world's hardest easy geometry problem 1&2

world's hardest easy geometry problem This would be awesome as a challenge problem for honors!

Angles in a triangle sum to 180° proof | Finding angles in shapes | Shapes | Basic geometry | Khan Academy

Angles in a triangle sum to proof

Make math fun by integrating art in the classroom with this colorful geometry lesson.

Make Math FUN! Add a Splash of Art!

Goemetry- Working with lines and math vocabulary like perpendicular, parallel, acute, obtuse, and right.

How to use a protractor poster and student handout FREEBIE!

How to Use a Protractor Freebie! OMG, my fourth graders needed so much helping with learning to use a protractor to measure angles.

FREE:  This activity is a worksheet-style set of practice problems but also makes a nice winter decoration for your classroom.    Topics included in the questions on this sheet: - Writing congruency statements - Using Triangle Sum Theorem - Identifying corresponding parts of triangles - Using base angles of isosceles triangles - Setting up and solving linear equations to find missing ...

Writing congruency statements- Using Triangle Sum Theorem- Identifying corresponding parts of triangles- Using base angles of isosceles triangles- Setting up and solving linear equations to find missing angle measur.

Geometry is looking quite different in 4th grade than in years past. Students have to categorize and classify triangles, quadrilaterals and other polygons in different graphic organizers by their sides and angles. This is a fun free activity sheet where your students can match the clues to the shapes.

Geometry is looking quite different in grade than in years past. Students have to categorize and classify triangles, quadrilaterals and other polygons in different graphic organizers by their sides and angles. This is a fun free activity sheet where your

Angles, Triangles, and the Start of Geometry in 6th Grade Math

This activity can help children with angles. Instead of measuring angles on paper, this can illustrate angles into a read life demonstration. This is active learning because as children close the door the angle changes and they can now measure it.

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