Worksheet
Curated OER

Acute and Obtuse Angles

For Students 4th - 5th Standards
Take a look at these angles: What kind are they? Give mathematicians practice identifying obtuse, acute, and right angles in this categorizing activity. Each type is pictured and explained at the top, and scholars examine nine sample...
Printables
K-5 Math Teaching Resources

Angles Template

For Students 4th - 6th Standards
Young mathematicians learn to see geometry from different angles with this simple printable resource. Providing multiple visual examples of angles, this simple document can be used as an instructional tool, a skills practice...
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...
Worksheet
Curated OER

Identifying Angles

For Students 5th - 8th
In this angles practice instructional activity, students respond to 4 questions that require them to identify the pictured angles as acute, right, or obtuse angles.
Worksheet
Curated OER

Classifying Triangles

For Students 6th
In this classifying triangles worksheet, 6th graders write the type of triangle, acute, right or obtuse, for 9 pictures of triangles, answers included.
Worksheet
Curated OER

Work and More Work

For Students 9th - 10th
In this science worksheet, students classify 6 actions as positive work, negative work, or no work. Students also design their own experiment.
Unknown Type
Khan Academy

Khan Academy: Classify Shapes by Line and Angle Types

For Students 3rd - 5th Standards
Classify shapes based on pictures or attributes, such as angle types and side-lengths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Interactive
Varsity Tutors

Varsity Tutors: Aplus Math: Geometry Hidden Picture (Non Java)

For Students 3rd - 8th Standards
Uncover the hidden picture by correctly matching geometry terms to their corresponding diagrams. This fun interactive online game will have your students asking to practice their math!