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!

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?

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! 

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

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

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

Can your first graders tell the difference between a square and a cube? How about a triangle and a cone? Use this geometry assessment to gauge your students’ abilities to use attributes to sort 2-D and 3-D shapes.

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

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

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

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

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

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.

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

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

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

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

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

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

Focus on fact fluency within 10 in this colorful addition worksheet!

Buster the Builder needs help finding the angles of the walls in this treehouse. Your child will use his geometry know-how to help him out.

What does one semicircle, two parallelograms, three triangles and a rectangle add up to?