Class 5, LCM- Story book and testing

Story Book 

page 1

page 2

page 3

page 4

page 5

page 6

page7

pafe 8

page 9

page 10

🌈 LCM (Least Common Multiple) - Class 5 Maths

🎯 Learning Objectives

• Understand meaning of LCM.
• Learn methods to find LCM.
• Apply LCM in daily life situations.

🧩 Competencies

• Numerical Skills
• Logical Thinking
• Problem Solving
• Application Skills

📊 Learning Outcomes

• Defines LCM correctly.
• Finds LCM of given numbers.
• Uses LCM in practical situations.

📌 Evidence

• Correct quiz responses
• Participation in class discussion
• Successful solving of word problems

📝 Quiz

1. LCM stands for:

Lowest Common Multiple Largest Common Method Least Counting Multiple

2. LCM of 4 and 6 is:

12 24 6

3. LCM is the:

Greatest factor Smallest common multiple Largest divisor

4. LCM of 5 and 10 is:

5 10 15

5. Multiples of 3 are:

3,6,9 1,2,3 2,4,6

🌍 Life Related Quiz

1. Two bells ring every 4 minutes and 6 minutes. After how many minutes will they ring together again?

12 minutes 24 minutes 6 minutes

2. Two buses arrive every 5 and 10 minutes. When will they arrive together?

5 minutes 10 minutes 20 minutes

3. Two lights blink after every 3 and 4 seconds. After how many seconds will they blink together?

12 seconds 7 seconds 24 seconds

4. Rahul waters plants every 2 days and Aman every 3 days. After how many days will both water together?

5 days 6 days 3 days

🧠 HOTS Questions

1. Why is LCM useful in daily life?

LCM helps find common timings and repeating events.

2. Can LCM of two numbers be smaller than the numbers?

No, LCM is always equal to or greater than the numbers.

3. Why are multiples important in maths?

Multiples help solve division and timing problems.

4. Which method is easier for large numbers: listing multiples or prime factorization?

Prime factorization is easier for large numbers.

5. How does LCM help in organizing events?

It helps determine when events will occur together again.