Showing Results for properties of triangles

Teach your students to sort triangles as acute, right, or obtuse based on their internal angle type.

This colorful worksheet asks your fourth grade geometry detective to practice identifying right triangles.

Let your fourth grader play triangle detective: can she spot the acute triangles on this worksheet?

Is your fourth grader reluctant to practice geometry? This colorful worksheet, which explores obtuse triangles, may be just what he needs!

What's the connection? Make lines between the dots to create triangles with this dotty worksheet.

Find all the triangles in this fun shapes coloring worksheet!

Here's a colorful math challenge for your kindergartener: can he count up all the triangles in the birthday party scene?

This worksheet challenges your preschooler to decide which two triangles are the same shape and size.

Help students hone their geometry skills with this seventh-grade math worksheet all about creating triangles given specific information.

All of these pictures are hiding some sneaky triangles. Can your kindergartener find them all in this colorful worksheet?

Take a closer look at acute triangles with this sixth- and seventh-grade geometry worksheet!

How many triangles do you see? Introduce your young student to shapes and beginning geometry concepts with this fun coloring sheet.

Help your child get a grasp on geometry with this area-finding worksheet focused on obtuse triangles.

Students explore the relationships between the side lengths and angle measures of triangles in this seventh-grade geometry worksheet!

Learning simple shapes is fun with this cute printable maze that helps preschoolers practice recognizing triangles.

Invite your learner to be a geometry detective as they find the missing base in a series of acute triangles! 

Students play math detectives by finding the missing heights in a series of acute triangles in this helpful geometry worksheet! 

Encourage your students to play math detectives by finding the missing base value in a series of obtuse triangles with this helpful geometry worksheet!

Find the measures of missing interior and exterior angles of triangles with this geometry worksheet!

Get more practice finding the measures of missing interior and exterior angles of triangles with this geometry worksheet!

Students use the Exterior Angle Theorem to solve for the variable in triangles where two or more angle measures are linear algebraic expressions.

Students use the Triangle Angle-Sum Theorem to solve for the variable in triangles where two or more angle measures are linear algebraic expressions.

How many sides does a triangle have? Three! Sort shapes that have three sides and shapes that don't have three sides with this wacky worksheet.

Children will take note of the everyday shapes that surround them in this fun geometry activity.

Can your kindergartener recognize triangles? Give her some extra practice with this worksheet. She'll draw triangles and pick them from a box of other shapes.

Give your fourth grader a gentle introduction to geometry with this charming triangle area worksheet.

Model how to find a missing exterior angle with this eighth-grade geometry worksheet!

This eighth-grade geometry worksheet introduces students to the Triangle Angle Sum Theorem and has them practice finding a missing interior angle in a triangle.

Build student understanding of the defining attributes of triangles with this sorting activity. Students will cut out different shape cards and sort them into examples and non-examples of triangles.

Fifth graders review types of angles, triangles, and polygons in this handy geometry review.