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Identifying Triangles: Right Triangles
Identifying Triangles: Right Triangles
Worksheet
Identifying Triangles: Right Triangles large image
Identifying Triangles: Right Triangles
Fourth Grade
Geometry
This colorful worksheet asks your fourth grade geometry detective to practice identifying right triangles.
Worksheet
Identifying Triangles: Right Triangles
Identifying Triangles: Right Triangles
Worksheet
Identifying Triangles: Right Triangles
This colorful worksheet asks your fourth grade geometry detective to practice identifying right triangles.
Fourth Grade
Geometry
Worksheet
Identifying Triangles: Acute Triangles
Identifying Triangles: Acute Triangles
Worksheet
Identifying Triangles: Acute Triangles large image
Identifying Triangles: Acute Triangles
Fourth Grade
Geometry
Let your fourth grader play triangle detective: can she spot the acute triangles on this worksheet?
Worksheet
Identifying Triangles: Acute Triangles
Identifying Triangles: Acute Triangles
Worksheet
Identifying Triangles: Acute Triangles
Let your fourth grader play triangle detective: can she spot the acute triangles on this worksheet?
Fourth Grade
Geometry
Worksheet
Obtuse Triangles: Identifying Triangles
Obtuse Triangles: Identifying Triangles
Worksheet
Obtuse Triangles: Identifying Triangles large image
Obtuse Triangles: Identifying Triangles
Fourth Grade
Geometry
Is your fourth grader reluctant to practice geometry? This colorful worksheet, which explores obtuse triangles, may be just what he needs!
Worksheet
Obtuse Triangles: Identifying Triangles
Obtuse Triangles: Identifying Triangles
Worksheet
Obtuse Triangles: Identifying Triangles
Is your fourth grader reluctant to practice geometry? This colorful worksheet, which explores obtuse triangles, may be just what he needs!
Fourth Grade
Geometry
Worksheet
Making Triangles
Making Triangles
Worksheet
Making Triangles large image
Making Triangles
Pre-K
Geometry
What's the connection? Make lines between the dots to create triangles with this dotty worksheet.
Worksheet
Making Triangles
Making Triangles
Worksheet
Making Triangles
What's the connection? Make lines between the dots to create triangles with this dotty worksheet.
Pre-K
Geometry
Worksheet
Sorting Triangles
Sorting Triangles
Worksheet
Sorting Triangles large image
Sorting Triangles
Fifth Grade
Geometry
Teach your students to sort triangles as acute, right, or obtuse based on their internal angle type.
Worksheet
Sorting Triangles
Sorting Triangles
Worksheet
Sorting Triangles
Teach your students to sort triangles as acute, right, or obtuse based on their internal angle type.
Fifth Grade
Geometry
Worksheet
Color the Triangles
Color the Triangles
Worksheet
Color the Triangles large image
Color the Triangles
Pre-K
Geometry
Find all the triangles in this fun shapes coloring worksheet!
Worksheet
Color the Triangles
Color the Triangles
Worksheet
Color the Triangles
Find all the triangles in this fun shapes coloring worksheet!
Pre-K
Geometry
Worksheet
Properties of Triangles
Properties of Triangles
Exercise
Properties of Triangles large image
Properties of Triangles
Fifth Grade
Keep students’ learning on point with this effective and efficient study of the properties of triangles.
Exercise
Properties of Triangles
Properties of Triangles
Exercise
Properties of Triangles
Keep students’ learning on point with this effective and efficient study of the properties of triangles.
Fifth Grade
Exercise
How Many Triangles?
How Many Triangles?
Worksheet
How Many Triangles? large image
How Many Triangles?
Kindergarten
Numbers and Counting
Here's a colorful math challenge for your kindergartener: can he count up all the triangles in the birthday party scene?
Worksheet
How Many Triangles?
How Many Triangles?
Worksheet
How Many Triangles?
Here's a colorful math challenge for your kindergartener: can he count up all the triangles in the birthday party scene?
Kindergarten
Numbers and Counting
Worksheet
Treehouse Triangles #5
Treehouse Triangles #5
Worksheet
Treehouse Triangles #5 large image
Treehouse Triangles #5
Fifth Grade
This "Treehouse Triangles" worksheets breaks down the geometric process into simple steps. Take angles from archenemy to acquaintance with this worksheet.
Worksheet
Treehouse Triangles #5
Treehouse Triangles #5
Worksheet
Treehouse Triangles #5
This "Treehouse Triangles" worksheets breaks down the geometric process into simple steps. Take angles from archenemy to acquaintance with this worksheet.
Fifth Grade
Worksheet
Treehouse Triangles #4
Treehouse Triangles #4
Worksheet
Treehouse Triangles #4 large image
Treehouse Triangles #4
Fifth Grade
Practice geometry in a fun way with this "Treehouse Triangles" worksheet. Get your child to measure angles with ease in this treehouse-themed worksheet.
Worksheet
Treehouse Triangles #4
Treehouse Triangles #4
Worksheet
Treehouse Triangles #4
Practice geometry in a fun way with this "Treehouse Triangles" worksheet. Get your child to measure angles with ease in this treehouse-themed worksheet.
Fifth Grade
Worksheet
Tricky Triangles: Beginner's Geometry
Tricky Triangles: Beginner's Geometry
Worksheet
Tricky Triangles: Beginner's Geometry large image
Tricky Triangles: Beginner's Geometry
Kindergarten
Geometry
This worksheet challenges your preschooler to decide which two triangles are the same shape and size.
Worksheet
Tricky Triangles: Beginner's Geometry
Tricky Triangles: Beginner's Geometry
Worksheet
Tricky Triangles: Beginner's Geometry
This worksheet challenges your preschooler to decide which two triangles are the same shape and size.
Kindergarten
Geometry
Worksheet
Fact Triangles: Subtraction Within 10
Fact Triangles: Subtraction Within 10
Worksheet
Fact Triangles: Subtraction Within 10 large image
Fact Triangles: Subtraction Within 10
Kindergarten
Subtraction
Build subtraction sentences with fact family triangles in this engaging worksheet!
Worksheet
Fact Triangles: Subtraction Within 10
Fact Triangles: Subtraction Within 10
Worksheet
Fact Triangles: Subtraction Within 10
Build subtraction sentences with fact family triangles in this engaging worksheet!
Kindergarten
Subtraction
Worksheet
Constructing Triangles Given Conditions
Constructing Triangles Given Conditions
Worksheet
Constructing Triangles Given Conditions large image
Constructing Triangles Given Conditions
Seventh Grade
Geometry
Help students hone their geometry skills with this seventh-grade math worksheet all about creating triangles given specific information.
Worksheet
Constructing Triangles Given Conditions
Constructing Triangles Given Conditions
Worksheet
Constructing Triangles Given Conditions
Help students hone their geometry skills with this seventh-grade math worksheet all about creating triangles given specific information.
Seventh Grade
Geometry
Worksheet
Find the Shape: Triangles
Find the Shape: Triangles
Worksheet
Find the Shape: Triangles large image
Find the Shape: Triangles
Kindergarten
Numbers and Counting
All of these pictures are hiding some sneaky triangles. Can your kindergartener find them all in this colorful worksheet?
Worksheet
Find the Shape: Triangles
Find the Shape: Triangles
Worksheet
Find the Shape: Triangles
All of these pictures are hiding some sneaky triangles. Can your kindergartener find them all in this colorful worksheet?
Kindergarten
Numbers and Counting
Worksheet
Fact Triangles: Subtraction Within 20
Fact Triangles: Subtraction Within 20
Worksheet
Fact Triangles: Subtraction Within 20 large image
Fact Triangles: Subtraction Within 20
Kindergarten
Subtraction
Find the facts within the number triangles in this engaging subtraction worksheet!
Worksheet
Fact Triangles: Subtraction Within 20
Fact Triangles: Subtraction Within 20
Worksheet
Fact Triangles: Subtraction Within 20
Find the facts within the number triangles in this engaging subtraction worksheet!
Kindergarten
Subtraction
Worksheet
Vocabulary Cards: Fact Family Triangles
Vocabulary Cards: Fact Family Triangles
Worksheet
Vocabulary Cards: Fact Family Triangles large image
Vocabulary Cards: Fact Family Triangles
First Grade
Addition
Use these vocabulary cards with the EL Support Lesson Plan: Fact Family Triangles.
Worksheet
Vocabulary Cards: Fact Family Triangles
Vocabulary Cards: Fact Family Triangles
Worksheet
Vocabulary Cards: Fact Family Triangles
Use these vocabulary cards with the EL Support Lesson Plan: Fact Family Triangles.
First Grade
Addition
Worksheet
Acute Triangles: Practice Finding Area
Acute Triangles: Practice Finding Area
Worksheet
Acute Triangles: Practice Finding Area large image
Acute Triangles: Practice Finding Area
Sixth Grade
Geometry
Take a closer look at acute triangles with this sixth- and seventh-grade geometry worksheet!
Worksheet
Acute Triangles: Practice Finding Area
Acute Triangles: Practice Finding Area
Worksheet
Acute Triangles: Practice Finding Area
Take a closer look at acute triangles with this sixth- and seventh-grade geometry worksheet!
Sixth Grade
Geometry
Worksheet
Find the Shapes: Triangles
Find the Shapes: Triangles
Worksheet
Find the Shapes: Triangles large image
Find the Shapes: Triangles
Kindergarten
Numbers and Counting
How many triangles do you see? Introduce your young student to shapes and beginning geometry concepts with this fun coloring sheet.
Worksheet
Find the Shapes: Triangles
Find the Shapes: Triangles
Worksheet
Find the Shapes: Triangles
How many triangles do you see? Introduce your young student to shapes and beginning geometry concepts with this fun coloring sheet.
Kindergarten
Numbers and Counting
Worksheet
Obtuse Triangles: Practice Finding Area
Obtuse Triangles: Practice Finding Area
Worksheet
Obtuse Triangles: Practice Finding Area large image
Obtuse Triangles: Practice Finding Area
Sixth Grade
Geometry
Help your child get a grasp on geometry with this area-finding worksheet focused on obtuse triangles.
Worksheet
Obtuse Triangles: Practice Finding Area
Obtuse Triangles: Practice Finding Area
Worksheet
Obtuse Triangles: Practice Finding Area
Help your child get a grasp on geometry with this area-finding worksheet focused on obtuse triangles.
Sixth Grade
Geometry
Worksheet
How Many Triangles Can Be Created?
How Many Triangles Can Be Created?
Interactive Worksheet
How Many Triangles Can Be Created? large image
How Many Triangles Can Be Created?
Seventh Grade
Geometry
Students explore the relationships between the side lengths and angle measures of triangles in this seventh-grade geometry worksheet!
Interactive Worksheet
How Many Triangles Can Be Created?
How Many Triangles Can Be Created?
Interactive Worksheet
How Many Triangles Can Be Created?
Students explore the relationships between the side lengths and angle measures of triangles in this seventh-grade geometry worksheet!
Seventh Grade
Geometry
Interactive Worksheet
A-maze-ing Shapes: Follow the Triangles
A-maze-ing Shapes: Follow the Triangles
Worksheet
A-maze-ing Shapes: Follow the Triangles large image
A-maze-ing Shapes: Follow the Triangles
Pre-K
Geometry
Learning simple shapes is fun with this cute printable maze that helps preschoolers practice recognizing triangles.
Worksheet
A-maze-ing Shapes: Follow the Triangles
A-maze-ing Shapes: Follow the Triangles
Worksheet
A-maze-ing Shapes: Follow the Triangles
Learning simple shapes is fun with this cute printable maze that helps preschoolers practice recognizing triangles.
Pre-K
Geometry
Worksheet
Acute Triangles: Find the Missing Base
Acute Triangles: Find the Missing Base
Interactive Worksheet
Acute Triangles: Find the Missing Base large image
Acute Triangles: Find the Missing Base
Sixth Grade
Geometry
Invite your learner to be a geometry detective as they find the missing base in a series of acute triangles! 
Interactive Worksheet
Acute Triangles: Find the Missing Base
Acute Triangles: Find the Missing Base
Interactive Worksheet
Acute Triangles: Find the Missing Base
Invite your learner to be a geometry detective as they find the missing base in a series of acute triangles! 
Sixth Grade
Geometry
Interactive Worksheet
Acute Triangles: Find the Missing Height
Acute Triangles: Find the Missing Height
Interactive Worksheet
Acute Triangles: Find the Missing Height large image
Acute Triangles: Find the Missing Height
Sixth Grade
Geometry
Students play math detectives by finding the missing heights in a series of acute triangles in this helpful geometry worksheet! 
Interactive Worksheet
Acute Triangles: Find the Missing Height
Acute Triangles: Find the Missing Height
Interactive Worksheet
Acute Triangles: Find the Missing Height
Students play math detectives by finding the missing heights in a series of acute triangles in this helpful geometry worksheet! 
Sixth Grade
Geometry
Interactive Worksheet
Make Your Own Fact Family Triangles
Make Your Own Fact Family Triangles
Worksheet
Make Your Own Fact Family Triangles large image
Make Your Own Fact Family Triangles
First Grade
Addition
Students will love getting to make and cut out their own fact family triangles as they practice writing three related numbers.
Worksheet
Make Your Own Fact Family Triangles
Make Your Own Fact Family Triangles
Worksheet
Make Your Own Fact Family Triangles
Students will love getting to make and cut out their own fact family triangles as they practice writing three related numbers.
First Grade
Addition
Worksheet
Classifying Triangles by Internal Angles
Classifying Triangles by Internal Angles
Lesson Plan
Classifying Triangles by Internal Angles large image
Classifying Triangles by Internal Angles
Fifth Grade
Classifying figures by features is a fundamental geometry skill. Use this lesson plan to teach your students how to categorize triangles by internal angle types.
Lesson Plan
Classifying Triangles by Internal Angles
Classifying Triangles by Internal Angles
Lesson Plan
Classifying Triangles by Internal Angles
Classifying figures by features is a fundamental geometry skill. Use this lesson plan to teach your students how to categorize triangles by internal angle types.
Fifth Grade
Lesson Plan
Obtuse Triangles: Find the Missing Base
Obtuse Triangles: Find the Missing Base
Interactive Worksheet
Obtuse Triangles: Find the Missing Base large image
Obtuse Triangles: Find the Missing Base
Sixth Grade
Geometry
Encourage your students to play math detectives by finding the missing base value in a series of obtuse triangles with this helpful geometry worksheet!
Interactive Worksheet
Obtuse Triangles: Find the Missing Base
Obtuse Triangles: Find the Missing Base
Interactive Worksheet
Obtuse Triangles: Find the Missing Base
Encourage your students to play math detectives by finding the missing base value in a series of obtuse triangles with this helpful geometry worksheet!
Sixth Grade
Geometry
Interactive Worksheet
Finding Missing Interior and Exterior Angles of Triangles #1
Finding Missing Interior and Exterior Angles of Triangles #1
Worksheet
Finding Missing Interior and Exterior Angles of Triangles #1 large image
Finding Missing Interior and Exterior Angles of Triangles #1
Eighth Grade
Geometry
Find the measures of missing interior and exterior angles of triangles with this geometry worksheet!
Worksheet
Finding Missing Interior and Exterior Angles of Triangles #1
Finding Missing Interior and Exterior Angles of Triangles #1
Worksheet
Finding Missing Interior and Exterior Angles of Triangles #1
Find the measures of missing interior and exterior angles of triangles with this geometry worksheet!
Eighth Grade
Geometry
Worksheet
Finding Missing Interior and Exterior Angles of Triangles #2
Finding Missing Interior and Exterior Angles of Triangles #2
Worksheet
Finding Missing Interior and Exterior Angles of Triangles #2 large image
Finding Missing Interior and Exterior Angles of Triangles #2
Eighth Grade
Geometry
Get more practice finding the measures of missing interior and exterior angles of triangles with this geometry worksheet!
Worksheet
Finding Missing Interior and Exterior Angles of Triangles #2
Finding Missing Interior and Exterior Angles of Triangles #2
Worksheet
Finding Missing Interior and Exterior Angles of Triangles #2
Get more practice finding the measures of missing interior and exterior angles of triangles with this geometry worksheet!
Eighth Grade
Geometry
Worksheet
Exterior Angles of Triangles: Solve for the Variable
Exterior Angles of Triangles: Solve for the Variable
Worksheet
Exterior Angles of Triangles: Solve for the Variable large image
Exterior Angles of Triangles: Solve for the Variable
Eighth Grade
Geometry
Students use the Exterior Angle Theorem to solve for the variable in triangles where two or more angle measures are linear algebraic expressions.
Worksheet
Exterior Angles of Triangles: Solve for the Variable
Exterior Angles of Triangles: Solve for the Variable
Worksheet
Exterior Angles of Triangles: Solve for the Variable
Students use the Exterior Angle Theorem to solve for the variable in triangles where two or more angle measures are linear algebraic expressions.
Eighth Grade
Geometry
Worksheet
Interior Angles in Triangles: Solve for the Variable
Interior Angles in Triangles: Solve for the Variable
Worksheet
Interior Angles in Triangles: Solve for the Variable large image
Interior Angles in Triangles: Solve for the Variable
Eighth Grade
Geometry
Students use the Triangle Angle-Sum Theorem to solve for the variable in triangles where two or more angle measures are linear algebraic expressions.
Worksheet
Interior Angles in Triangles: Solve for the Variable
Interior Angles in Triangles: Solve for the Variable
Worksheet
Interior Angles in Triangles: Solve for the Variable
Students use the Triangle Angle-Sum Theorem to solve for the variable in triangles where two or more angle measures are linear algebraic expressions.
Eighth Grade
Geometry
Worksheet
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