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.

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

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 "Treehouse Triangles" worksheets breaks down the geometric process into simple steps. Take angles from archenemy to acquaintance with this worksheet.

Practice geometry in a fun way with this "Treehouse Triangles" worksheet. Get your child to measure angles with ease in this treehouse-themed worksheet.

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

Build subtraction sentences with fact family triangles in this engaging worksheet!

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?

Find the facts within the number triangles in this engaging subtraction worksheet!

Use these vocabulary cards with the EL Support Lesson Plan: Fact Family Triangles.

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! 

Students will love getting to make and cut out their own fact family triangles as they practice writing three related numbers.

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.