Lowest Common Multiple

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 determine the lowest common multiple (LCM) of two or more numbers.

Part 1 of 3

Warm-up video

mathantics · 5:23Vetted 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 "multiple" of a number is. Give three examples of multiples of the number 6.

2

What is the Least Common Multiple (LCM)? Explain why finding the LCM is useful when working with fractions.

Part 3 of 3

Exit ticket

Quick comprehension check

What is the lowest common multiple of 6 and 10? Show your work. What is the lowest common multiple of 4 and 14? Show 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

    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