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Last updated on May 26th, 2025

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Divisibility Rule of 330

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The divisibility rule is a way to determine if a number is divisible by another number without using the traditional division method. In real life, divisibility rules help with quick calculations, dividing things evenly, and sorting. In this topic, we will learn about the divisibility rule of 330.

Divisibility Rule of 330 for US Students
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What is the Divisibility Rule of 330?

The divisibility rule for 330 involves checking if a number is divisible by each of the factors of 330 without using the division method. 330 can be broken down into its prime factors: 2, 3, 5, and 11. Therefore, a number is divisible by 330 if it is divisible by each of these factors. Let's check whether 660 is divisible by 330 using this rule.

 

Step 1: Check divisibility by 2. A number is divisible by 2 if it is even. 660 is even, so it is divisible by 2.

 

Step 2: Check divisibility by 3. A number is divisible by 3 if the sum of its digits is divisible by 3. The sum of the digits of 660 is 6 + 6 + 0 = 12, which is divisible by 3.

 

Step 3: Check divisibility by 5. A number is divisible by 5 if it ends in 0 or 5. 660 ends in 0, so it is divisible by 5.

 

Step 4: Check divisibility by 11. A number is divisible by 11 if the difference between the sum of its digits in odd positions and the sum of its digits in even positions is a multiple of 11 (including 0). For 660, (6+0) - 6 = 0, which is a multiple of 11.

 

Since 660 satisfies all these conditions, it is divisible by 330.

divisibility rule of 330

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Tips and Tricks for Divisibility Rule of 330

Understanding divisibility rules helps students master division. Here are some tips and tricks for the divisibility rule of 330:

 

  • Memorize the conditions for each factor: Remember the divisibility rules for 2, 3, 5, and 11 to quickly check if a number is divisible by 330.

 

  • Use modular arithmetic: If the result of a condition seems unclear, use simple arithmetic or modular arithmetic to verify divisibility.

 

  • Break it down: For larger numbers, break them into smaller parts and check each part's divisibility by 2, 3, 5, and 11.

 

  • Use the division method to verify: Verify your result by using the division method to ensure accuracy and to gain a better understanding.
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Common Mistakes and How to Avoid Them in Divisibility Rule of 330

The divisibility rule of 330 allows us to quickly determine if a number is divisible by 330, but common mistakes can lead to errors. Understanding these mistakes can help avoid them.

Mistake 1

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Ignoring one of the conditions.

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Ensure you check divisibility by each factor: 2, 3, 5, and 11.

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Divisibility Rule of 330 Examples

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Problem 1

Is 1980 divisible by 330?

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Yes, 1980 is divisible by 330.

Explanation

To check if 1980 is divisible by 330, we need to ensure it meets the divisibility rules for 2, 3, 5, and 11.

1) 1980 is even, so it is divisible by 2.

2) The sum of the digits is 1 + 9 + 8 + 0 = 18, which is divisible by 3.

3) The last digit is 0, so it is divisible by 5.

4) For divisibility by 11, the difference between the sum of the digits in odd positions and even positions is (1 + 8) - (9 + 0) = 9 - 9 = 0, which is divisible by 11.

Since 1980 meets all these criteria, it is divisible by 330.

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Problem 2

Check the divisibility rule of 330 for 2970.

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Yes, 2970 is divisible by 330.

Explanation

To check if 2970 is divisible by 330, we apply the divisibility rules for 2, 3, 5, and 11.

1) 2970 is even, hence divisible by 2.

2) The sum of the digits is 2 + 9 + 7 + 0 = 18, which is divisible by 3.

3) The last digit is 0, indicating divisibility by 5.

4) For 11, the alternating sum is (2 + 7) - (9 + 0) = 9 - 9 = 0, which is divisible by 11.

Therefore, 2970 satisfies all conditions for divisibility by 330.

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Problem 3

Is -330 divisible by 330?

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Yes, -330 is divisible by 330.

Explanation

To determine if -330 is divisible by 330, we consider the positive number 330 and apply the divisibility rules for 2, 3, 5, and 11.

1) 330 is even, so it is divisible by 2.

2) The sum of the digits is 3 + 3 + 0 = 6, which is divisible by 3.

3) The last digit is 0, so it is divisible by 5.

4) For 11, the alternating sum is (3 + 0) - 3 = 3 - 3 = 0, which is divisible by 11.

Thus, -330 is divisible by 330.

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Problem 4

Can 715 be divisible by 330 following the divisibility rule?

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No, 715 isn't divisible by 330.

Explanation

To verify if 715 is divisible by 330, we must check divisibility by 2, 3, 5, and 11.

1) 715 is not even, so it fails the divisibility rule for 2.

2) The sum of the digits is 7 + 1 + 5 = 13, which is not divisible by 3.

3) The last digit is 5, satisfying divisibility by 5.

4) For 11, the alternating sum is (7 + 5) - 1 = 12 - 1 = 11, which is divisible by 11.

Since 715 does not meet all the necessary criteria, it is not divisible by 330.

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Problem 5

Check the divisibility rule of 330 for 3630.

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Yes, 3630 is divisible by 330.

Explanation

To confirm if 3630 is divisible by 330, verify the rules for 2, 3, 5, and 11.

1) 3630 is even, so it satisfies divisibility by 2.

2) The sum of the digits is 3 + 6 + 3 + 0 = 12, which is divisible by 3.

3) The last digit is 0, fulfilling the divisibility rule for 5.

4) For 11, the alternating sum is (3 + 3) - (6 + 0) = 6 - 6 = 0, which is divisible by 11.

Therefore, 3630 meets all criteria and is divisible by 330.

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FAQs on Divisibility Rule of 330

1.What is the divisibility rule for 330?

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2.How many numbers between 1 and 1000 are divisible by 330?

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3.Is 990 divisible by 330?

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4.What if I get a remainder after checking divisibility by one factor?

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5.Does the divisibility rule of 330 apply to all integers?

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6.How can children in United States use numbers in everyday life to understand Divisibility Rule of 330?

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7.What are some fun ways kids in United States can practice Divisibility Rule of 330 with numbers?

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8.What role do numbers and Divisibility Rule of 330 play in helping children in United States develop problem-solving skills?

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9.How can families in United States create number-rich environments to improve Divisibility Rule of 330 skills?

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Important Glossaries for Divisibility Rule of 330

  • Divisibility rule: A set of rules used to determine if a number is divisible by another without division.

 

  • Prime factors: The prime numbers that multiply together to give the original number. For 330, these are 2, 3, 5, and 11.

 

  • Even number: A number divisible by 2.

 

  • Sum of digits: The total obtained by adding all digits of a number, used to check divisibility by 3.

 

  • Modular arithmetic: A method of arithmetic for integers, where numbers wrap around upon reaching a certain value (the modulus).
     
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About BrightChamps in United States

At BrightChamps, we believe numbers are more than symbols—they’re keys unlocking endless possibilities! Our goal is to help children across the United States build strong math skills, focusing today on the Divisibility Rule of 330 and especially on understanding the Divisibility Rule—delivered in a way that’s engaging, fun, and easy to grasp. Whether your child is calculating the speed of a roller coaster at Disney World, keeping score during Little League games, or managing their allowance for the newest gadgets, knowing numbers boosts their confidence for real-life situations. Our hands-on lessons make learning enjoyable and straightforward. Since kids in the USA learn in diverse ways, we customize our approach to match each learner’s style. From the lively streets of New York City to the sunny beaches of California, BrightChamps makes math relatable and exciting across America. Let’s make the Divisibility Rule an enjoyable part of every child’s math adventure!
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Hiralee Lalitkumar Makwana

About the Author

Hiralee Lalitkumar Makwana has almost two years of teaching experience. She is a number ninja as she loves numbers. Her interest in numbers can be seen in the way she cracks math puzzles and hidden patterns.

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Fun Fact

: She loves to read number jokes and games.

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