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Least common multiple
Free printable Grade 6 worksheet: Least common multiple. 8 problems, increasing difficulty with star challenges. Instant PDF with answer key.
This worksheet provides challenging problems focused on finding the least common multiple, designed for Grade 6 students studying number theory. Teachers can use it to reinforce students' understanding of LCM through prime factorization and practical applications. The exercises promote critical thinking and problem-solving skills essential for mastering multiples and factors.
Learning objectives
- Calculate the least common multiple (LCM) of two or more numbers using prime factorization.
- Apply the concept of LCM to solve real-world and word problems involving multiples.
- Analyze the relationship between multiples and factors to determine the LCM efficiently.
Answer Key
How to use this worksheet
- Click “Download Worksheet” and sign in with Google or email to get the PDF instantly.
- Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Least common multiple” worksheet free?
Yes. “Least common multiple” is a free printable Math worksheet. Sign in with Google or email to download the PDF instantly.
What grade or age is this Math worksheet for?
It's designed for Middle School (ages 11–14), covering Number theory.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
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