211 LearnersLast updated on May 26th, 2025
Table of 821
A times table is a chart that shows the results of multiplying a number with whole numbers. Learning the times table will help kids understand multiplication. Multiplication is used in various aspects of life, such as construction, estimation, schoolwork, exams, etc. In this topic, we will learn about the table of 821.
What is the Multiplication Table of 821?
Multiplication has been used by people for over 4000 years. Babylonians were among the first to use it with clay tablets. Multiplication tables were created to provide easier ways to solve problems. Learning multiplication tables has numerous advantages. Kids can answer quickly if they know their times table, which enhances their understanding skills. Familiarity with the tables improves children's memory and confidence.
Multiplying the whole numbers (1, 2, 3, 4, 5, and so on) by 821 gives the products of the multiplication table of 821.
Here are some examples:
821 × 1 = 821
821 × 2 = 1,642
821 × 3 = 2,463
821 × 4 = 3,284
821 × 5 = 4,105
821, 1,642, 2,463, 3,284, 4,105, and so on are multiples of 821.
821 Times Table Chart
The 821 times table chart shows the multiples of 821. Each result in the chart is obtained by multiplying 821 with other whole numbers, such as 1 to 10, and so on.
For example:
821 × 10 = 8,210
821 × 11 = 9,031
821 × 12 = 9,852, and so on.
| TABLE OF 821 (1-10) | |
|---|---|
|
821 x 1 = 821 |
821 x 6 = 4926 |
|
821 x 2 = 1642 |
821 x 7 = 5747 |
|
821 x 3 = 2463 |
821 x 8 = 6568 |
|
821 x 4 = 3284 |
821 x 9 = 7389 |
|
821 x 5 = 4105 |
821 x 10 = 8210 |
| TABLE OF 821 (11-20) | |
|---|---|
|
821 x 11 = 9031 |
821 x 16 = 13136 |
|
821 x 12 = 9852 |
821 x 17 = 13957 |
|
821 x 13 = 10673 |
821 x 18 = 14778 |
|
821 x 14 = 11494 |
821 x 19 = 15599 |
|
821 x 15 = 12315 |
821 x 20 = 16420 |
Tips and Tricks for the Multiplication Table of 821
Understanding the multiplication table of 821 can be challenging due to the larger number involved. But with some tips and tricks, it becomes easier. Let’s explore a few:
Break the numbers into smaller parts:
Breaking the numbers into smaller parts makes it easier to learn multiplication.
For example: 821 × 4:
Here, 821 can break into 800 + 21
(800 × 4) + (21 × 4) = 3,200 + 84
= 3,284.
Use flashcards:
On one side of the flashcard, write the multiplication problems.
For example:
Front: 821 × 3
Back: 2,463.
Repeated patterns:
Observe the unit digits in the 821 times table, which repeat every 5 multiples.
For example: the unit digits repeat in this cycle: 1, 2, 3, 4, 5. After every 5 multiples, the cycle restarts.
Common Mistakes and How to Avoid Them in Table of 821
While working on the tables of 821, it's common for kids to make some errors. Here are some common mistakes and tips on how to avoid them.
Mistake 1
Overlooking zero place value in the products.
Always ensure proper placement of zero placeholders by aligning and separating the digits clearly in your calculation. Double-check your result for accuracy. For example: writing 821 × 10 as 8,210 without misplacing it as 8210.
Mistake 2
Misusing shortcuts.
Always verify the shortcut method you are using. For 821 × 10, the approach is 821 × 9 + 821 = 7,389 + 821 = 8,210. Write the steps clearly and double-check your method.
Mistake 3
Reversing the digits.
Sometimes students reverse the digits, for example, 812 instead of 821. Double-check your work to ensure the digits are correct. Track each step carefully and review the result to avoid swapping digits. Write out full steps if needed.
Mistake 4
Misplacing the decimal points.
Incorrectly placing the decimal points while calculating the larger number. To avoid decimal mistakes, ensure digits are aligned correctly, and no decimal point is added unless needed. Double-check the result. For example, 821 × 6 = 4,926 instead of 821 × 6 = 492.6.
Mistake 5
Forgetting to carry digits over.
To avoid forgetting to carry digits, slow down and double-check each step before moving on.
Table of 821 Examples
Problem 1
A warehouse stores crates of oranges, with each crate containing 821 oranges. If the warehouse has just one crate, how many oranges are there in total?
821 oranges.
Explanation
Since there's only one crate and it holds 821 oranges, the total number of oranges is 821. For example: 821 × 1 = 821.
Problem 2
A concert venue sells entry tickets for a premium section. Each ticket is priced at 821 units. If 6 tickets are sold, what is the total revenue generated?
4926 units.
Explanation
The total revenue from the ticket sales can be calculated by multiplying the cost of one ticket (821) by the number of tickets sold (6):
821 × 6 = 4926 units.
Problem 3
A library has 821 distinct titles, and each title has 3 copies available. How many total books are there in the library?
2463 books.
Explanation
To find the total number of books, multiply the number of titles (821) by the number of copies per title (3):
821 × 3 = 2463 books.
Problem 4
A gardener plants 821 new saplings every week in a park. How many saplings will be planted in 12 weeks?
9852 saplings.
Explanation
To find the total number of saplings planted over 12 weeks, multiply the number of saplings planted each week (821) by the number of weeks (12):
821 × 12 = 9852 saplings.
Problem 5
A factory employs 821 workers, and each worker is required to work 7 hours a day. What is the total number of work hours contributed by all workers in a single day?
5747 hours.
Explanation
The total number of work hours in a day is calculated by multiplying the number of workers (821) by the hours each worker works (7):
821 × 7 = 5747 hours.
FAQs on Table of 821
1.What are the factors of 821?
2.What are the multiples of 821?
3.How can kids practice the table of 821?
4.What is the pattern of the table of 821?
5.Is 821 a prime number?
6.How can poems help children in Vietnam memorize the Multiplication Table and Table of 821?
7.Can learning the Multiplication Table influence creativity in solving Table of 821 challenges for kids in Vietnam?
8.How do language and cultural differences in Vietnam affect the way children learn the Multiplication Table and Table of 821?
9.What role does brain development play in mastering the Multiplication Table and Table of 821 among early learners in Vietnam?
Important Glossaries for Multiplication Table of 821
- Multiplication Table: A structured chart showing the results of multiplying numbers.
- Factors: Numbers that can be multiplied together to get another number.
- Multiples: The results obtained from multiplying a number by whole numbers.
- Unit Digit: The last digit in a number, important for identifying patterns in multiplication.
- Flashcards: A learning tool with questions on one side and answers on the other for practice.
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About BrightChamps inVietnam
Seyed Ali Fathima S
About the Author
Seyed Ali Fathima S a math expert with nearly 5 years of experience as a math teacher. From an engineer to a math teacher, shows her passion for math and teaching. She is a calculator queen, who loves tables and she turns tables to puzzles and songs.
Fun Fact
: She has songs for each table which helps her to remember the tables
