Greatest Common Factor

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Objective

I can find the greatest common factor of two whole numbers less than or equal to 100.

Part 1 of 3

Warm-up video

mathantics · 4:26Vetted 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

7 questions

1

Explain in your own words what a factor of a number is. Give an example.

2

List all the factors of 18.

Part 3 of 3

Exit ticket

Quick comprehension check

What is the greatest common factor of 12 and 18? What is the greatest common factor of 24 and 36? What is the greatest common factor of 45 and 60?

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

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