Worksheet
Curated OER

Classify Triangles

For Students 4th - 7th
Here is a classifying triangles practice worksheet in which learners sharpen their problem solving skills as they solve six story problems.
Worksheet
Curated OER

Classifying Triangles

For Students 10th
In this classifying triangles learning exercise, 10th graders solve 6 different problems related to the classification of triangles either by their angles or by their sides. First, they use a protractor and a ruler to draw triangles...
Worksheet
Curated OER

Classifying Triangles

For Students 10th
In this classifying triangles worksheet, 10th graders solve 9 various problems that classify triangles into categories. First, they refer to the figure shown of an isosceles triangle with two line parallel. Then, students name the sides,...
Worksheet
Curated OER

Triangle Designs

For Students 4th - 6th
In this triangles instructional activity, students draw different triangles and write how many sides and angles each one has. Students draw 4 kinds of triangles and have 2 that are impossible to draw.
Worksheet
Curated OER

Triangles

For Students 3rd - 4th
In this triangles learning exercise, students identify 3 triangles by the length of their sides and 3 triangles according to their internal angles.
Worksheet
Math Mammoth

Triangles 1

For Students 5th - 9th
For this triangles worksheet, students measure and calculate the measurements of eight triangles, their sums and classify the triangles as acute, obtuse or right.
Worksheet
Curated OER

Constructions and Angles

For Students 6th - 10th
In this triangle constructing and classifying worksheet, students read through a tutorial on triangles and angles. Then, students complete 17 exercises in which they answer questions about angles and triangles. By clicking on the "Check"...
Handout
Charleston School District

Parallel Lines Cut by a Transversal

For Students 8th Standards
Pupils study angle measurements between different types of angles associated with parallel lines and transversals. The independent practice asks pupils to identify the types of angles in a diagram and to determine the measure of...
Interactive
Curated OER

Shapes and Angles

For Students 4th
Are your geometry whizzes learning about angles and shapes? This online worksheet gives 10 multiple choice questions based on images and word problems. Concepts include deducting angle degree, classifying shapes, and identifying angle...
Worksheet
Curated OER

Similar Figure Word Problems

For Students 7th - 10th
In this similar figure worksheet, students use similar figures and indirect measurement to determine distance.  They use proportions of similar figures to determine scale figures.  This two-page worksheet contains 8...
Worksheet
Curated OER

Properties and Attributes of Polygons

For Students 10th
In this geometry worksheet, 10th graders determine if a polygon is convex or concave and apply the polygon Angle sum theorem and the polygon exterior angle sum theorem to determine the measures of interior and exterior angles of a...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Classifying Triangles by Identifying the Number of Equal Sides

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on classifying triangles based on the number of equal sides.
Activity
Beacon Learning Center

Beacon Learning Center: Triangles Side by Side

For Students 3rd - 8th Standards
This comprehensive web lesson describes how to classify triangles by their angle and side measurements. It provides real-world examples and exercises for students to practice the skill.
Unit Plan
Khan Academy

Khan Academy: Identify Triangles by Side Lengths

For Students 3rd - 5th Standards
Practice identifying triangles by their side-lengths as equilateral, isosceles, or scalene. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Triangle Classification by Side Lengths

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Classify different types of triangles by their side lengths.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Classifying All Types of Triangles by Lengths of Sides

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on classifying triangles based on length of sides.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Triangle Classification Grades 8 10

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Classify triangles by side lengths and angle measures.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Triangle Classification Grade 7

For Students 7th Standards
[Free Registration/Login may be required to access all resource tools.] Classify triangles by side lengths and angle measures.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Triangle Classification Grade 8

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Classifying triangles by using angle measures and side lengths.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Polygon Classification

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Classify different types of polygons by their number of sides.