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Grade 7
Number
1. N7.1
1.4 Determining common multiples
Determining Common Multiples
Learn what common multiples are and how to find them for two or more numbers using simple listing and prime factorization strategies.
What You'll Learn
Identify a common multiple as any number that appears in the multiples list of every given number
List the multiples of each number in order to spot the values they share
Apply prime factorization to find common multiples of larger numbers more efficiently
Recognize that the smallest shared value is called the least common multiple
Distinguish common multiples from common factors by comparing what each concept measures
What You'll Practice
1
Listing the first three multiples of single and double-digit numbers
2
Finding when two recurring events happen at the same time
3
Calculating time intervals between common multiples in word problems
Why This Matters
Understanding multiples is essential for working with fractions, finding least common denominators, and solving real-world scheduling problems. You'll use this skill throughout algebra, and it helps you recognize patterns in division, factors, and number relationships.
Before You Start — Make Sure You Can:
This Unit Includes
6 Video lessons
Practice exercises
Learning resources
Skills
Multiples
Multiplication
Common Multiples
Number Patterns
Word Problems
LCM
SK Curriculum Aligned