Round off Numbers - Math Worksheets - SplashLearn - Free Printable
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Step-by-step solution for: Round off Numbers - Math Worksheets - SplashLearn
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Show Answer Key & Explanations
Step-by-step solution for: Round off Numbers - Math Worksheets - SplashLearn
To solve the problem of rounding the given numbers as specified, we need to follow the rules of rounding:
1. Identify the digit in the place you are rounding to.
2. Look at the digit immediately to the right of the rounding place:
- If it is 5 or greater, round up.
- If it is less than 5, round down.
3. Fill in the digits to the right of the rounding place with zeros.
Let's solve each section step by step.
---
#### 97,444
- The digit in the thousands place is 4.
- The digit to the right is 4 (less than 5), so we round down.
- Result: 97,000
- Tick: Round Down
#### 62,401
- The digit in the thousands place is 2.
- The digit to the right is 4 (less than 5), so we round down.
- Result: 62,000
- Tick: Round Down
#### 210,794
- The digit in the thousands place is 0.
- The digit to the right is 7 (greater than or equal to 5), so we round up.
- Result: 211,000
- Tick: Round Up
#### 902,568
- The digit in the thousands place is 2.
- The digit to the right is 5 (equal to 5), so we round up.
- Result: 903,000
- Tick: Round Up
---
#### 62,235
- The digit in the ten-thousands place is 6.
- The digit to the right is 2 (less than 5), so we round down.
- Result: 60,000
- Tick: Round Down
#### 12,789
- The digit in the ten-thousands place is 1.
- The digit to the right is 2 (less than 5), so we round down.
- Result: 10,000
- Tick: Round Down
#### 396,182
- The digit in the ten-thousands place is 9.
- The digit to the right is 6 (greater than or equal to 5), so we round up.
- Result: 400,000
- Tick: Round Up
#### 712,093
- The digit in the ten-thousands place is 1.
- The digit to the right is 2 (less than 5), so we round down.
- Result: 710,000
- Tick: Round Down
---
#### 551,947
- The digit in the hundred-thousands place is 5.
- The digit to the right is 5 (equal to 5), so we round up.
- Result: 600,000
- Tick: Round Up
#### 201,076
- The digit in the hundred-thousands place is 2.
- The digit to the right is 0 (less than 5), so we round down.
- Result: 200,000
- Tick: Round Down
#### 3,751,003
- The digit in the hundred-thousands place is 5.
- The digit to the right is 1 (less than 5), so we round down.
- Result: 3,700,000
- Tick: Round Down
#### 4,648,328
- The digit in the hundred-thousands place is 6.
- The digit to the right is 4 (less than 5), so we round down.
- Result: 4,600,000
- Tick: Round Down
---
| Round off to the nearest 1,000 | Result | Round Up | Round Down |
|------------------------------------|------------|--------------|----------------|
| 97,444 | 97,000 | | ☑ |
| 62,401 | 62,000 | | ☑ |
| 210,794 | 211,000 | ☑ | |
| 902,568 | 903,000 | ☑ | |
| Round off to the nearest 10,000 | Result | Round Up | Round Down |
|-------------------------------------|------------|--------------|----------------|
| 62,235 | 60,000 | | ☑ |
| 12,789 | 10,000 | | ☑ |
| 396,182 | 400,000 | ☑ | |
| 712,093 | 710,000 | | ☑ |
| Round off to the nearest 100,000 | Result | Round Up | Round Down |
|--------------------------------------|------------|--------------|----------------|
| 551,947 | 600,000 | ☑ | |
| 201,076 | 200,000 | | ☑ |
| 3,751,003 | 3,700,000 | | ☑ |
| 4,648,328 | 4,600,000 | | ☑ |
Boxed Final Answer:
\[
\boxed{
\begin{array}{c|c|c|c}
\text{Round off to the nearest 1,000} & \text{Result} & \text{Round Up} & \text{Round Down} \\
\hline
97,444 & 97,000 & & \checkmark \\
62,401 & 62,000 & & \checkmark \\
210,794 & 211,000 & \checkmark & \\
902,568 & 903,000 & \checkmark & \\
\hline
\text{Round off to the nearest 10,000} & \text{Result} & \text{Round Up} & \text{Round Down} \\
\hline
62,235 & 60,000 & & \checkmark \\
12,789 & 10,000 & & \checkmark \\
396,182 & 400,000 & \checkmark & \\
712,093 & 710,000 & & \checkmark \\
\hline
\text{Round off to the nearest 100,000} & \text{Result} & \text{Round Up} & \text{Round Down} \\
\hline
551,947 & 600,000 & \checkmark & \\
201,076 & 200,000 & & \checkmark \\
3,751,003 & 3,700,000 & & \checkmark \\
4,648,328 & 4,600,000 & & \checkmark \\
\end{array}
}
\]
Rounding Rules:
1. Identify the digit in the place you are rounding to.
2. Look at the digit immediately to the right of the rounding place:
- If it is 5 or greater, round up.
- If it is less than 5, round down.
3. Fill in the digits to the right of the rounding place with zeros.
Let's solve each section step by step.
---
1. Round off to the nearest 1,000:
#### 97,444
- The digit in the thousands place is 4.
- The digit to the right is 4 (less than 5), so we round down.
- Result: 97,000
- Tick: Round Down
#### 62,401
- The digit in the thousands place is 2.
- The digit to the right is 4 (less than 5), so we round down.
- Result: 62,000
- Tick: Round Down
#### 210,794
- The digit in the thousands place is 0.
- The digit to the right is 7 (greater than or equal to 5), so we round up.
- Result: 211,000
- Tick: Round Up
#### 902,568
- The digit in the thousands place is 2.
- The digit to the right is 5 (equal to 5), so we round up.
- Result: 903,000
- Tick: Round Up
---
2. Round off to the nearest 10,000:
#### 62,235
- The digit in the ten-thousands place is 6.
- The digit to the right is 2 (less than 5), so we round down.
- Result: 60,000
- Tick: Round Down
#### 12,789
- The digit in the ten-thousands place is 1.
- The digit to the right is 2 (less than 5), so we round down.
- Result: 10,000
- Tick: Round Down
#### 396,182
- The digit in the ten-thousands place is 9.
- The digit to the right is 6 (greater than or equal to 5), so we round up.
- Result: 400,000
- Tick: Round Up
#### 712,093
- The digit in the ten-thousands place is 1.
- The digit to the right is 2 (less than 5), so we round down.
- Result: 710,000
- Tick: Round Down
---
3. Round off to the nearest 100,000:
#### 551,947
- The digit in the hundred-thousands place is 5.
- The digit to the right is 5 (equal to 5), so we round up.
- Result: 600,000
- Tick: Round Up
#### 201,076
- The digit in the hundred-thousands place is 2.
- The digit to the right is 0 (less than 5), so we round down.
- Result: 200,000
- Tick: Round Down
#### 3,751,003
- The digit in the hundred-thousands place is 5.
- The digit to the right is 1 (less than 5), so we round down.
- Result: 3,700,000
- Tick: Round Down
#### 4,648,328
- The digit in the hundred-thousands place is 6.
- The digit to the right is 4 (less than 5), so we round down.
- Result: 4,600,000
- Tick: Round Down
---
Final Answer:
| Round off to the nearest 1,000 | Result | Round Up | Round Down |
|------------------------------------|------------|--------------|----------------|
| 97,444 | 97,000 | | ☑ |
| 62,401 | 62,000 | | ☑ |
| 210,794 | 211,000 | ☑ | |
| 902,568 | 903,000 | ☑ | |
| Round off to the nearest 10,000 | Result | Round Up | Round Down |
|-------------------------------------|------------|--------------|----------------|
| 62,235 | 60,000 | | ☑ |
| 12,789 | 10,000 | | ☑ |
| 396,182 | 400,000 | ☑ | |
| 712,093 | 710,000 | | ☑ |
| Round off to the nearest 100,000 | Result | Round Up | Round Down |
|--------------------------------------|------------|--------------|----------------|
| 551,947 | 600,000 | ☑ | |
| 201,076 | 200,000 | | ☑ |
| 3,751,003 | 3,700,000 | | ☑ |
| 4,648,328 | 4,600,000 | | ☑ |
Boxed Final Answer:
\[
\boxed{
\begin{array}{c|c|c|c}
\text{Round off to the nearest 1,000} & \text{Result} & \text{Round Up} & \text{Round Down} \\
\hline
97,444 & 97,000 & & \checkmark \\
62,401 & 62,000 & & \checkmark \\
210,794 & 211,000 & \checkmark & \\
902,568 & 903,000 & \checkmark & \\
\hline
\text{Round off to the nearest 10,000} & \text{Result} & \text{Round Up} & \text{Round Down} \\
\hline
62,235 & 60,000 & & \checkmark \\
12,789 & 10,000 & & \checkmark \\
396,182 & 400,000 & \checkmark & \\
712,093 & 710,000 & & \checkmark \\
\hline
\text{Round off to the nearest 100,000} & \text{Result} & \text{Round Up} & \text{Round Down} \\
\hline
551,947 & 600,000 & \checkmark & \\
201,076 & 200,000 & & \checkmark \\
3,751,003 & 3,700,000 & & \checkmark \\
4,648,328 & 4,600,000 & & \checkmark \\
\end{array}
}
\]
Parent Tip: Review the logic above to help your child master the concept of rounding off worksheet.