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” to get the PDF — free with a KiwiBee account (up to 25 downloads a month).
- 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 a free KiwiBee account to download the PDF — it includes up to 25 downloads a month.
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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