# Classifying Triangles | Doodle Math: Twist on Color by Number Worksheets

## Overview

Make classifying triangles based on sides (equilateral, isosceles, scalene) and angles (obtuse, acute, right) fun with this Classifying Triangles Doodle & Color by Number activity. Designed for 4th and 5th-grade learners, this PDF includes two levels and 20 questions, allowing students to solve problems to unlock doodle patterns and fill out a mystery image. Perfect for reviewing, CCSS 5.G.B.3 and 4.G.A.2 standards, this math and art combination will keep your students engaged for spring, Easter, or any time of the year. BONUS reference sheet with notes included. Perfect for sub plan and more!

## Why you'll love this

Make geometry review a blast with this print-and-go Doodle Math activity. Includes 2 levels with 20 questions total to practice classifying triangles by sides and angles. There's also a BONUS reference sheet explaining how to classify triangles by sides and angles. Each correct answer unlocks doodle patterns to complete 2 bunny and egg themed images perfect for spring or Easter. If your students love color by number or color by code, they’ll love Doodle Math!

Includes…

✅ Reference sheet for students explaining how to classify triangles. (1 page)

✅ Level 1: Classify triangles by sides. (2 pages, 10 questions)

✅ Level 2: Classify triangles by angles. (2 pages, 10 questions)

✅ 2 image sheets with designated sections for doodling. (2 pages)

✅ Answer key. (6 pages)

Great for…

⭐ Back-to-School, Spiral Review Lessons

⭐ Emergency Sub Plans

⭐ Homeschool Activities

⭐ Homework & Independent Practice

⭐ Learning Centers & After School Math Programs

Reviews for Doodle Math products…

⭐⭐⭐⭐⭐ Karen S. - “Just a good fun activity during the holidays for practicing skills! Great product!”

⭐⭐⭐⭐⭐️ Christine M. - “I put this out as an extra credit assignment for my 8th graders at the end of the square and cube roots unit. The students who chose to do it seemed to enjoy the "doodle" part because it was different than a typical color by number task. Thank you!”

⭐⭐⭐⭐⭐ Carly S. - “My students really loved this and it worked really well in my classroom!”

Want to save 40% or more?

Consider a Doodle Math grade level bundle. It's a whole year of review or sub plans:

## Want to try before you buy?

Get my free resource library with digital & print activities—plus tips over email.

Join for free resources →