Prime Factorization

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Objective

I can use a factor tree to find the prime factorization of a number.

Part 1 of 3

Warm-up video

mathantics · 6:40Vetted channel

We don't generate video — this one is by mathantics 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

4 questions

1

What is the prime factorization of 30? Use a factor tree to show your work.

2

Explain the difference between prime and composite numbers. Give two examples of each.

Part 3 of 3

Exit ticket

Quick comprehension check

Use a factor tree to find the prime factorization of 60. Show all your work. Use a factor tree to find the prime factorization of 90. Show all your work.

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

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