Simple LCM: Real-world Applications
Mathematics
Grade 8
11 questions
~22 mins
1 views0 downloads
About This Worksheet
A worksheet exploring the concept of Simple LCM through real-world applications and varied question types. Designed to develop procedural mastery and problem-solving skills.
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Full preview • 11 questions
Simple LCM: Real-world Applications
Subject: MathematicsGrade: Grade 8
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Untitled Worksheet
Grade Grade 8
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Calculate the LCM of 8 and 12.
[2 marks]2.
Find the smallest number divisible by both 15 and 20.
[2 marks]3.
Determine the LCM of 9 and 14.
[2 marks]4.
Calculate the LCM of 6, 9, and 12.
[3 marks]5.
Find the least common multiple of 7 and 5.
[2 marks]6.
A factory produces widgets every 8 hours and gadgets every 12 hours. After how many hours will they produce both types of products simultaneously again?
[4 marks]7.
A school bus arrives at the bus stop every 15 minutes, and another bus arrives every 20 minutes. When will they both arrive together next?
[4 marks]8.
Construct a common timeline on the grid where events every 9 minutes and every 14 minutes coincide. Mark the first three such times.
[3 marks]9.
A cyclist rides every 6 minutes; another cyclist rides every 9 minutes. Plot on the grid the first three times they both ride simultaneously.
[3 marks]10.
If a train arrives every 40 minutes and another every 60 minutes, after how many minutes will both trains arrive together again?
[2 marks]11.
Common mistake: Many students incorrectly find the GCD instead of the LCM when adding fractions. Look at the following calculation: LCM of 18 and 24 is 6. Identify and correct the mistake.
[3 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet