Rounding Worksheets | Rounding Worksheets for Practice - Free Printable
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Step-by-step solution for: Rounding Worksheets | Rounding Worksheets for Practice
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Show Answer Key & Explanations
Step-by-step solution for: Rounding Worksheets | Rounding Worksheets for Practice
To round a number to the nearest hundred, look at the digit in the tens place (the second digit from the right).
* If the tens digit is 5 or more, round up (increase the hundreds digit by 1 and change the rest to zeros).
* If the tens digit is 4 or less, round down (keep the hundreds digit the same and change the rest to zeros).
Here are the solutions for each problem:
1) 861: The tens digit is 6. Since 6 is 5 or more, we round up.
* $800 \rightarrow 900$
* Answer: 900
2) 426: The tens digit is 2. Since 2 is less than 5, we round down.
* $400 \rightarrow 400$
* Answer: 400
3) 415: The tens digit is 1. Since 1 is less than 5, we round down.
* $400 \rightarrow 400$
* Answer: 400
4) 981: The tens digit is 8. Since 8 is 5 or more, we round up.
* $900 \rightarrow 1000$
* Answer: 1,000
5) 436: The tens digit is 3. Since 3 is less than 5, we round down.
* $400 \rightarrow 400$
* Answer: 400
6) 621: The tens digit is 2. Since 2 is less than 5, we round down.
* $600 \rightarrow 600$
* Answer: 600
7) 699: The tens digit is 9. Since 9 is 5 or more, we round up.
* $600 \rightarrow 700$
* Answer: 700
8) 313: The tens digit is 1. Since 1 is less than 5, we round down.
* $300 \rightarrow 300$
* Answer: 300
9) 371: The tens digit is 7. Since 7 is 5 or more, we round up.
* $300 \rightarrow 400$
* Answer: 400
10) 549: The tens digit is 4. Since 4 is less than 5, we round down.
* $500 \rightarrow 500$
* Answer: 500
---
1) 3,979: The tens digit is 7. Since 7 is 5 or more, we round up.
* $3900 \rightarrow 4000$
* Answer: 4,000
2) 3,285: The tens digit is 8. Since 8 is 5 or more, we round up.
* $3200 \rightarrow 3300$
* Answer: 3,300
3) 8,258: The tens digit is 5. Since 5 is 5 or more, we round up.
* $8200 \rightarrow 8300$
* Answer: 8,300
4) 4,715: The tens digit is 1. Since 1 is less than 5, we round down.
* $4700 \rightarrow 4700$
* Answer: 4,700
5) 1,873: The tens digit is 7. Since 7 is 5 or more, we round up.
* $1800 \rightarrow 1900$
* Answer: 1,900
6) 8,298: The tens digit is 9. Since 9 is 5 or more, we round up.
* $8200 \rightarrow 8300$
* Answer: 8,300
7) 6,776: The tens digit is 7. Since 7 is 5 or more, we round up.
* $6700 \rightarrow 6800$
* Answer: 6,800
8) 9,492: The tens digit is 9. Since 9 is 5 or more, we round up.
* $9400 \rightarrow 9500$
* Answer: 9,500
9) 1,555: The tens digit is 5. Since 5 is 5 or more, we round up.
* $1500 \rightarrow 1600$
* Answer: 1,600
10) 6,758: The tens digit is 5. Since 5 is 5 or more, we round up.
* $6700 \rightarrow 6800$
* Answer: 6,800
Final Answer:
First Section:
1) 900
2) 400
3) 400
4) 1,000
5) 400
6) 600
7) 700
8) 300
9) 400
10) 500
Second Section:
1) 4,000
2) 3,300
3) 8,300
4) 4,700
5) 1,900
6) 8,300
7) 6,800
8) 9,500
9) 1,600
10) 6,800
* If the tens digit is 5 or more, round up (increase the hundreds digit by 1 and change the rest to zeros).
* If the tens digit is 4 or less, round down (keep the hundreds digit the same and change the rest to zeros).
Here are the solutions for each problem:
First Section: Round to the nearest hundred
1) 861: The tens digit is 6. Since 6 is 5 or more, we round up.
* $800 \rightarrow 900$
* Answer: 900
2) 426: The tens digit is 2. Since 2 is less than 5, we round down.
* $400 \rightarrow 400$
* Answer: 400
3) 415: The tens digit is 1. Since 1 is less than 5, we round down.
* $400 \rightarrow 400$
* Answer: 400
4) 981: The tens digit is 8. Since 8 is 5 or more, we round up.
* $900 \rightarrow 1000$
* Answer: 1,000
5) 436: The tens digit is 3. Since 3 is less than 5, we round down.
* $400 \rightarrow 400$
* Answer: 400
6) 621: The tens digit is 2. Since 2 is less than 5, we round down.
* $600 \rightarrow 600$
* Answer: 600
7) 699: The tens digit is 9. Since 9 is 5 or more, we round up.
* $600 \rightarrow 700$
* Answer: 700
8) 313: The tens digit is 1. Since 1 is less than 5, we round down.
* $300 \rightarrow 300$
* Answer: 300
9) 371: The tens digit is 7. Since 7 is 5 or more, we round up.
* $300 \rightarrow 400$
* Answer: 400
10) 549: The tens digit is 4. Since 4 is less than 5, we round down.
* $500 \rightarrow 500$
* Answer: 500
---
Second Section: Round to the nearest hundred
1) 3,979: The tens digit is 7. Since 7 is 5 or more, we round up.
* $3900 \rightarrow 4000$
* Answer: 4,000
2) 3,285: The tens digit is 8. Since 8 is 5 or more, we round up.
* $3200 \rightarrow 3300$
* Answer: 3,300
3) 8,258: The tens digit is 5. Since 5 is 5 or more, we round up.
* $8200 \rightarrow 8300$
* Answer: 8,300
4) 4,715: The tens digit is 1. Since 1 is less than 5, we round down.
* $4700 \rightarrow 4700$
* Answer: 4,700
5) 1,873: The tens digit is 7. Since 7 is 5 or more, we round up.
* $1800 \rightarrow 1900$
* Answer: 1,900
6) 8,298: The tens digit is 9. Since 9 is 5 or more, we round up.
* $8200 \rightarrow 8300$
* Answer: 8,300
7) 6,776: The tens digit is 7. Since 7 is 5 or more, we round up.
* $6700 \rightarrow 6800$
* Answer: 6,800
8) 9,492: The tens digit is 9. Since 9 is 5 or more, we round up.
* $9400 \rightarrow 9500$
* Answer: 9,500
9) 1,555: The tens digit is 5. Since 5 is 5 or more, we round up.
* $1500 \rightarrow 1600$
* Answer: 1,600
10) 6,758: The tens digit is 5. Since 5 is 5 or more, we round up.
* $6700 \rightarrow 6800$
* Answer: 6,800
Final Answer:
First Section:
1) 900
2) 400
3) 400
4) 1,000
5) 400
6) 600
7) 700
8) 300
9) 400
10) 500
Second Section:
1) 4,000
2) 3,300
3) 8,300
4) 4,700
5) 1,900
6) 8,300
7) 6,800
8) 9,500
9) 1,600
10) 6,800
Parent Tip: Review the logic above to help your child master the concept of place value worksheet rounding.
