Find Common Multiples
Browse 6 Find Common Multiples worksheets for Grade 4 Math. These Factoring worksheets are designed to give students targeted practice and build confidence in math.
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Whether you're a teacher looking for factoring practice problems, a homeschool parent building a Grade 4 curriculum, or a tutor helping a student catch up, choose an available worksheet that matches what your student is practising.
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Practice Questions
- Common multiples of 2 and 3:
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6, 12
- Common multiples of 3 and 4:
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12, 24
- Common multiples of 2 and 5:
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10, 20
- Common multiples of 4 and 5:
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20, 40
- Common multiples of 2 and 6:
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6, 12
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Quick Tip
Teacher Resources
Teaching Notes
Teach students to list multiples of the larger number first, then check if the smaller number divides into them.
Vocabulary
Common Mistakes
- Multiplying the two numbers and thinking that's the only common multiple
- Confusing factors and multiples
- Arithmetic errors
- Confusing multiples with factors
- Missing the first multiples
- Stopping too early
Differentiation
Discussion Questions
- Is the product of two numbers always a common multiple? (Yes)
- Is it always the smallest common multiple? (No, e.g., 4 and 6)
- What is a multiple of a number?
- How do you find common multiples?
- When are common multiples useful?
- Are there always common multiples for any two numbers?
Extension Activities
- Find common multiples of three numbers (e.g., 2, 3, and 4).
- Word problems involving repeating cycles (e.g., lights flashing).
Parent Tip
Have your child find common multiples using coins (e.g., nickels and dimes).
Learning Path
Skill Cluster
Number Sense
Estimated Time
15 minutes