Finding the Least Common Multiple
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Objective
I can identify the least common multiple of two numbers through both listing multiples and using the LCM formula.
Part 1 of 3
Warm-up video
Khan Academy · 4:16Vetted channel
We don't generate video — this one is by Khan Academy 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
What is the least common multiple of 15 and 20? Show your work by listing the multiples of each number.
Explain how to find the least common multiple of 24 and 36 using prime factorization. What is the LCM?
Part 3 of 3
Exit ticket
Quick comprehension check
“Find the least common multiple of 24 and 30 by listing the multiples of each number. Show your work. Find the least common multiple of 15 and 25 by using the LCM formula. Show your work. ”
Sample answer included in the free materials
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