
Understanding LCM through Factor Trees

Interactive Video
•
Mathematics, Science
•
5th - 8th Grade
•
Hard

Emma Peterson
FREE Resource
Read more
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of finding the Least Common Multiple (LCM)?
To find the average of two numbers.
To find the largest number that divides two or more numbers.
To find the smallest number that is a multiple of two or more numbers.
To find the difference between two numbers.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a prime factor of 16?
3
2
5
7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final prime factorization of 16?
2 x 3 x 3
2 x 2 x 2 x 2
2 x 2 x 4
4 x 4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a prime factor of 20?
9
5
3
7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final prime factorization of 20?
4 x 5
2 x 5 x 5
2 x 3 x 5
2 x 2 x 5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine which prime factors to use when calculating the LCM?
Use the lowest power of each prime factor that appears in either number.
Use the highest power of each prime factor that appears in either number.
Use only the prime factors that appear in both numbers.
Use all prime factors from both numbers.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the LCM of 16 and 20?
70
60
90
80
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which step is crucial in ensuring the correct calculation of the LCM?
Subtracting the smallest prime factor.
Multiplying the highest power of each prime factor.
Dividing the largest prime factor by the smallest.
Adding all the prime factors together.
Similar Resources on Wayground
6 questions
Prime Factorization and LCM Quiz

Interactive video
•
6th - 7th Grade
11 questions
Prime Factorization and GCF/LCM Concepts

Interactive video
•
5th - 8th Grade
6 questions
Understanding Least Common Multiple through Prime Factorization

Interactive video
•
6th - 7th Grade
11 questions
Understanding GCF and LCM Concepts

Interactive video
•
5th - 8th Grade
11 questions
Understanding LCM and GCF

Interactive video
•
5th - 8th Grade
11 questions
Understanding LCM through Factor Trees

Interactive video
•
5th - 8th Grade
6 questions
Prime Factorization and Exponents

Interactive video
•
5th - 8th Grade
11 questions
Understanding LCM and GCD

Interactive video
•
5th - 8th Grade
Popular Resources on Wayground
10 questions
Lab Safety Procedures and Guidelines

Interactive video
•
6th - 10th Grade
10 questions
Nouns, nouns, nouns

Quiz
•
3rd Grade
10 questions
9/11 Experience and Reflections

Interactive video
•
10th - 12th Grade
25 questions
Multiplication Facts

Quiz
•
5th Grade
11 questions
All about me

Quiz
•
Professional Development
22 questions
Adding Integers

Quiz
•
6th Grade
15 questions
Subtracting Integers

Quiz
•
7th Grade
9 questions
Tips & Tricks

Lesson
•
6th - 8th Grade
Discover more resources for Mathematics
25 questions
Multiplication Facts

Quiz
•
5th Grade
15 questions
Subtracting Integers

Quiz
•
7th Grade
22 questions
Adding Integers

Quiz
•
6th Grade
20 questions
Multiplying and Dividing Integers

Quiz
•
7th Grade
20 questions
Finding Volume of Rectangular Prisms

Quiz
•
5th Grade
20 questions
Perfect Squares and Square Roots

Quiz
•
7th Grade
20 questions
Adding and Subtracting integers

Quiz
•
7th Grade
20 questions
Adding and Subtracting Integers

Quiz
•
6th Grade