Prime Factorization | Doodle Math: Twist on Color by Number | Earth Day


Make exponent and factor review and practice a blast with this print-and-go Doodle Math activity. Includes three levels with 24 questions total to practice prime factorization with factor trees for two-digit, three-digit, and four-digit numbers. Each correct answer unlocks doodle patterns to complete nature- and recycling-themed images that are perfect for Earth Day. If your students love color by number or color by code, they’ll love Doodle Math!

Why you'll love this


✅ Level 1: Two digit number prime factorization. (1 page, 8 questions)

✅ Level 2: Three digit number prime factorization. (1 page, 8 questions)

✅ Level 3: Four digit number prime factorization. (1 page, 8 questions)

✅ 3 image sheets with designated sections for doodling. (3 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

Looking for a complete lesson on prime factorization also? Try this (contains guided notes, doodle & coloring worksheets, independent practice real life application)

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:

✴️ Grade 5 BUNDLE

✴️ Grade 6 BUNDLE

✴️ Grade 7 BUNDLE

✴️ Grade 8 BUNDLE

✴️ Grade 6 - 8 BUNDLE

More to consider

Want to try before you buy?

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

Join for free resources →