LCM Questions for Class 3

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Understanding the concept of Least Common Multiple (LCM) at an early stage builds a strong foundation in mathematics. Here is a collection of lcm questions for class 3 designed to make learning enjoyable and engaging for young learners.

(1) Find the LCM by Listing Multiples

  1. Find the LCM of 2 and 3.
  2. Find the LCM of 4 and 6.
  3. Find the LCM of 5 and 10.
  4. Find the LCM of 3, 6, and 9.
  5. Find the LCM of 8 and 12.

(2) Fill in the Blanks

  1. The LCM of 3 and 5 is _______.
  2. The LCM of 2, 4, and 6 is _______.
  3. The LCM of 6 and 8 is _______.
  4. The LCM of 7 and 14 is _______.
  5. The LCM of 10 and 20 is _______.

(3) Word Problems on LCM

  1. Ravi has two toys. One makes a sound every 2 seconds, and the other makes a sound every 3 seconds. After how many seconds will both make a sound together?
  2. There are two bells in a school. One rings every 4 minutes, and the other rings every 6 minutes. If they ring together at 9:00 AM, when will they ring together again?
  3. Two children are skipping ropes. One skips every 5 seconds, and the other skips every 10 seconds. After how many seconds will they skip together?
  4. Mom makes cookies in batches of 8, and dad makes cookies in batches of 12. What is the smallest number of cookies they can make together?
  5. A traffic light blinks every 15 seconds, and another blinks every 20 seconds. How many seconds later will they blink together?

(4) Match the Following

Numbers LCM
2 and 5 10
4 and 8 8
3, 6, and 9 18
7 and 14 14
10 and 15 30

lcm questions for class 3 | LCM questions for Class 3 | LCM Questions for Class 3
LCM Questions for Class 3

Answers to LCM Questions Worksheet

(1) Listing Multiples

  1. 6
  2. 12
  3. 10
  4. 18
  5. 24

(2) Fill in the Blanks

  1. 15
  2. 12
  3. 24
  4. 14
  5. 20

(3) Word Problems

  1. 6 seconds
  2. 12 minutes
  3. 10 seconds
  4. 24 cookies
  5. 60 seconds

(4) Match the Following

NumbersLCM
2 and 510
4 and 88
3, 6, and 918
7 and 1414
10 and 1530

This worksheet is curated specifically for young students to help them grasp the concept of LCM questions for Class 3 easily while making the learning process interactive and fun.

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