Super Teacher Worksheets
Become a Member
Membership Info

Area of Triangles

Calculate the areas of triangles on these printable worksheets.

Areas of Triangles Worksheets

Level: Basic
Single-Digit Measurements

Area of a Triangle (Basic)
Calculate the area of each of the nine triangles shown.
5th through 7th Grades
aArea of a Triangle (Basic)
View PDF
Common Core
Multiple Versions Available
Multiple Versions Available
Preview File
Members can add this to their file cabinet
Areas of Triangles and Rectangles (Basic)
This printable will help students discover the relationship between the areas of rectangles and the areas of triangles.
5th through 7th Grades
aAreas of Triangles and Rectangles (Basic)
Areas of Triangles Practice (Basic)
First, find the area of three different triangles. Then find the areas of triangles within a larger shape. Then find the height when you are given the area.
5th through 7th Grades
aAreas of Triangles Practice (Basic)
Area of a Triangle Questions (Basic)
Answer these thinking questions about triangles and area.
5th through 7th Grades
aArea of a Triangle Questions (Basic)
Areas & Perimeter (Basic)
For each triangle shown, students calculate the perimeter and the area.
5th through 7th Grades
aAreas & Perimeter (Basic)
Task Cards: Area of a Triangle (Basic)
This file contains 30 area of a triangle task cards. Use them for classroom scavenger hunts, peer tutoring, exit slips, or on your document camera.
5th through 7th Grades
aTask Cards: Area of a Triangle (Basic)
Areas of Right Triangles
Use the formula to find the areas of these six right triangles.
5th through 7th Grades
aAreas of Right Triangles

Level: Intermediate
Fraction & Decimal Measurements

Areas of Triangles #1 (Intermediate)
This worksheet shows students how to find the area of a triangle. There are 9 practice problems. Triangle measurements have two-digit numbers, decimals, and fractions.
5th and 6th Grades
aAreas of Triangles #1 (Intermediate)
Area of a Triangle #2 (Intermediate)
Find the area of each of the triangles shown. This page has nine triangle illustrations and three problems with written measurements. All triangles have metric measurements.
5th and 6th Grades
aArea of a Triangle #2 (Intermediate)
Areas of Triangles & Rectangles (Intermediate)
Find the area of each rectangle. Divide each rectangle in half and find the area of each triangle. This worksheet shows the relationship between the areas of rectangles and triangles.
5th and 6th Grades
aAreas of Triangles & Rectangles (Intermediate)
Areas of Triangles Practice (Intermediate)
In the top section, your pupils will find the area of three triangles. In the middle section, find the areas of triangle parts. In the final section, they are given the area and must calculate the height.
5th through 7th Grades
aAreas of Triangles Practice (Intermediate)
Task Cards: Area of a Triangle (Intermediate)
Print these area of a triangle task cards. Use them for classroom games, exit slips, on your document camera, or scavenger hunts.
5th through 7th Grades
aTask Cards: Area of a Triangle (Intermediate)
Areas & Perimeter (Intermediate)
Find the area and perimeter of each triangle shown.
6th Grade
aAreas & Perimeter (Intermediate)

Level: Advanced
Fractions, Decimals, & Mixed Units

Areas of Triangles #1 (Advanced)  FREE 
This worksheet shows students how to find the area of a triangle. There are 9 practice problems. Triangles measurements have mixed units, decimals, and/or fractions.
6th Grade
aAreas of Triangles #1 (Advanced)
Areas of Triangles #2 (Advanced)
Find the areas of the triangles. Base and height measurements include larger numbers decimals, and fractions. Some triangle measurements also have mixed units.
6th Grade
aAreas of Triangles #2 (Advanced)
Areas of Triangles Practice (Advanced)
This worksheet has three parts. In part one, students find the areas of three triangles. In part two, they find the areas of a triangle that is divided into parts. In part three, they are given the area and they calculate the height.
5th through 7th Grades
aAreas of Triangles Practice (Advanced)
Areas & Perimeter (Advanced)
Find the perimeter and the area of each triangle shown. This advanced-level worksheet has 3-digit decimal numbers.
6th and 7th Grades
aAreas & Perimeter (Advanced)
Task Cards: Area of a Triangle (Advanced)
Calculate the areas of the triangles on these task cards. Use these cards for exit slips, classroom projects, or on your whiteboard document camera.
5th through 7th Grades
aTask Cards: Area of a Triangle (Advanced)

See Also:

Area of Rectangles

On these worksheets, students practice finding the areas of rectangles and squares.

More Area Worksheets

Calculate the areas of rectangles and squares with the worksheets on this page. Also includes area of triangles, trapezoids, parallelograms, as well as surface area.

Geometry Worksheets

Browse our complete collection of geometry worksheets. Topics include perimeter, polygons, symmetry, tessellations, and more.

Area and Circumference of Circles

Learn about radius, diameter, circumference, and area of circles.

Sample Worksheet Images

Area of Triangles Worksheet

Area Worksheets

Please Log In to Super Teacher Worksheets
Username:
Password:
Can't remember your password?
Not a member yet? Join Today!
Become a Member
My Account
Site Information
Useful Links
Social Media
Follow Us
facebook
Twitter
Pinterest
Instagram
Not a Member?
For complete access to thousands of printable lessons click the button or the link below.
© 2025 Super Teacher Worksheets

PDF with answer key:

PDF no answer key:

Common Core Alignment
Preview