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Rounding Numbers to the Nearest 10, 100, and 1000 | Round up and Round down

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What Is Rounding to the Nearest Thousand?
Rounding a number to the nearest thousand means finding the multiple of 1000 closest to the given number.
Rounding a number to the nearest place value simply means replacing the given number by an approximate value, which is simple to understand, yet closer to the original number.

Example: Alex walked 11,568 steps on Monday. Isn't this number difficult to remember or even to say out loud? However, by rounding it to the nearest 1000, we can simply say that Alex walked about 12000 steps on Monday. The resultant number is simpler and easier to understand.

Begin here

Meaning of Rounding to the Nearest Thousand

Rounding the number to the nearest thousand means finding an estimated value that is a multiple of 1000 and closest to the number.

Thus, the new number is closer to the original number, but since it is a multiple of 1000, it is more convenient to use and easy to remember.

To round a number to the nearest thousand, we have certain rules. Before we dive into it, let's quickly revise the place value chart with the help of the previous example. It will help us in applying the rules.

11,568 can be written in the place value chart as follows:

And 11,568 rounded to the nearest thousand is 12000. Note that 12000 is a simpler representation, which is a multiple of 1000 closest to 11,568.

How to Round to the Nearest Thousand

Rounding to the nearest thousand depends on the hundreds digit in the place value chart, which is the digit next to the thousands place. The number is rounded up or down based on the value of the digit at the hundreds place and two simple rules.

Find the place value you are rounding to, which is the thousands place in this instance. Check the digit right next to it, which is the hundreds place. It will guide us on how to proceed.

If the hundreds digit < 5, the thousands digit does not change.

If the hundreds digit 5, the thousands digit is increased by 1.

All the digits to the right change to 0.

Rules for Rounding Numbers to the Nearest Thousand

Note that the following rules are applicable only while rounding the number to the nearest thousand.

Mark the thousands place and note down the digit that is on its immediate right. In other words, note down the digit at the hundreds place.

Rule 1: If the digit at the hundreds place is less than 5, do not change the digit at the thousands place. Replace all the digits to the right of the thousands place by 0.

The final answer is less than the given number.

Example: Round to the nearest thousand: 2456

The digit at the hundreds place is 4, which is less than 5.

We do not change the digit at the thousands place, which is 2. Also, we replace all the digits to its right by 0.

So, 2456 rounded to the nearest thousand is 2000.

Note that it is less than 2456.

Rule 2: If the digit at the hundreds place is 5 or greater than 5, add 1 to the digit at the thousands place. Replace all the digits to the right of the thousands place by 0.

The final answer will be greater than the given number.

Example: Round to the nearest thousand: 2576

The digit at the hundreds place is 5.

So, we add 1 to the thousands place digit.

$2 + 1 = 3$

We replace all the digits to its right by 0.

2576 rounded to the nearest thousand will be 3000.

Note that it is greater than 2576.

What Is Rounding up and Rounding Down?

When we round a number, the final result after rounding is either greater than or less than the original number. As we discussed in the rules, it depends on the place values. Thus, rounding a number to the nearest place value consists of rounding up or rounding down.

In case of rounding the number to the nearest thousand, if the final number after rounding is greater, then it is termed as rounding up. If the final number is less than the original value, then it is termed as rounding down.

5845 rounds up to 6000.

5231 rounds down to 5000.

Rounding Up

Mark the thousands place. Check the digit at the hundreds place (the digit to the immediate right). If it is greater than or equal to 5, round up, i.e., increase the digit at the thousands place by 1. Replace all the digits to the right of it by 0.

On the number line, we can visualize this as:

Rounding Down

Mark the thousands place. Observe the digit on its immediate right, which is the hundreds place. If it is less than 5, round down. Do not change the digit at the thousands place. Replace all the digits to the right of it by 0.

Let's take another example to visualize rounding down on a number line.

5479 rounded to the nearest thousand is 5000 since the digit at the hundreds place is 4, which is less than 5.

The rounding off of numbers is often used in estimation, and measurement calculations where approximation is allowed.

Storekeepers often round off the amount to avoid dealing with change.

Rounding off is generally avoided where high accuracy is required.

Conclusion

In this article, we learned how to round to the nearest thousand, rules for rounding up and rounding down along with examples for each case. Let's solve a few examples and practice problems for better understanding.

Solved Examples on Rounding to the Nearest Thousand
1. Round 429,713 to the nearest thousand. Solution:
Identify the digit at the hundreds and thousands place.

The digit at the hundreds place is 7, and at the thousands place, we have 9.

Since 7 is greater than 5, we round up.

Add 1 at the thousands place.

$429 + 1 = 430$

Replace the digits to the right with 0.

429713 rounded to the nearest thousand will be 430000.

2. Round to the nearest thousand: 424213 Solution:
Hundreds place digit = 4 < 5. So, we round down.

The digit at the thousands place will remain the same, followed by zeros, resulting in 424,000.
3. Round to the nearest thousand: 9413 Solution:
The hundreds digit here is 4. It is less than 5.

Thus, we round down.

9413 rounded down to the nearest thousand is 9000.

Practice Problems on Rounding to the Nearest Thousand

Frequently Asked Questions on Rounding to the Nearest Thousand
How to teach rounding?

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Round to the Nearest Thousand: Rules, Solved Examples, Facts

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Rounding to the nearest thousand means finding the multiple of 1000 closest to the original number. Learn rules of rounding up and rounding down with examples.

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Details

Help Math Dog, AKA MathPup, catch the cat burglar. The robber is hiding behind the correct answer to the rounding to the nearest 1000 problem. Just tap/click the correct answer to find and catch the robber. 3 Skill levels to choose from and you can also choose to play timed or untimed.

# data[].attributes.attachment_link.description
Help Math Dog, AKA MathPup, catch the cat burglar. The robber is hiding behind the correct answer to the rounding to the nearest 1000 problem. Just tap/click the correct answer to find and catch the robber. 3 Skill levels to choose from and you can also choose to play timed or untimed.

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Grade 3 Round to the nearest thousand worksheet

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Liveworksheets transforms your traditional printable worksheets into self-correcting interactive exercises that the students can do online and send to the teacher.

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3rd Grade - Math - Rounding with Number Lines - Topic Overview

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Rounding Off using Number Lines - Hundreds

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Liveworksheets transforms your traditional printable worksheets into self-correcting interactive exercises that the students can do online and send to the teacher.