Prime Factorization
Free to teach as-is — the teacher guide, student handout, and slides are included.
Free — we'll email you an access link. Google Docs format.
Objective
I can find the prime factors of a number using a factor tree.
Part 1 of 3
Warm-up video
Unknown Channel · 5:00
We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 3
Practice
7 questions
What is a prime factor? Explain it in your own words.
Draw a factor tree for the number 20. Circle all the prime factors.
Part 3 of 3
Exit ticket
Quick comprehension check
“Find the prime factors of 24 using a factor tree. Write the prime factors as a product (multiplication). Find the prime factors of 30 using a factor tree. Write the prime factors as a product (multiplication). Find the prime factors of 40 using a factor tree. Write the prime factors as a product (multiplication).”
Sample answer included in the free materials
Get the materials
Teacher guide, student handout, and slides — free, in Google Docs format
Teacher Guide
Complete lesson plan with answer keys and alternate activities
Student Handout
Printable worksheet
Slides
Ready to present
We'll ask for your email to send your access link — nothing else.
Teaching a group at a different level?
Where are your students right now? We'll rebuild this lesson to match — including the teacher guide, student handout, and slides, saved to your Google Drive.
Adapt This Lesson
