Quiz On 3rd Grade Rounding

1. Round 253 to the nearest tens.

240

300

250

200

To round 253 to the nearest tens, we look at the digit in the ones place, which is 3. Since 3 is greater than or equal to 5, we round up the tens digit. Therefore, the tens digit becomes 5, and the ones digit becomes 0. Therefore, the correct answer is 250.

Explanation

To round 253 to the nearest tens, we look at the digit in the ones place, which is 3. Since 3 is greater than or equal to 5, we round up the tens digit. Therefore, the tens digit becomes 5, and the ones digit becomes 0. Therefore, the correct answer is 250.

2. What is 296 rounded to the nearest hundreds?

300

200

290

260

296, when rounded to the nearest hundreds, would be 300. This is because when rounding to the nearest hundreds, we look at the tens digit. If the tens digit is 5 or greater, we round up to the next hundred. In this case, the tens digit is 9, so we round up to 300.

Explanation

296, when rounded to the nearest hundreds, would be 300. This is because when rounding to the nearest hundreds, we look at the tens digit. If the tens digit is 5 or greater, we round up to the next hundred. In this case, the tens digit is 9, so we round up to 300.

3. Round 3,278 to the nearest thousand.

3,000

4,000

3,300

3,280

To round 3,278 to the nearest thousand, we look at the digit in the hundreds place, which is 2. Since 2 is less than 5, we round down. Therefore, the nearest thousand is 3,000.

Explanation

To round 3,278 to the nearest thousand, we look at the digit in the hundreds place, which is 2. Since 2 is less than 5, we round down. Therefore, the nearest thousand is 3,000.

4. What is 781 rounded to the nearest tens?

700

710

800

780

The number 781 is rounded to the nearest tens by looking at the digit in the ones place, which is 1. Since 1 is less than 5, the tens digit remains the same and the ones digit is changed to 0. Therefore, 781 rounded to the nearest tens is 780.

Explanation

The number 781 is rounded to the nearest tens by looking at the digit in the ones place, which is 1. Since 1 is less than 5, the tens digit remains the same and the ones digit is changed to 0. Therefore, 781 rounded to the nearest tens is 780.

5. Take the number 2,794 and round it to the nearest ten.

2,800

2,790

3,000

2,700

To round the number 2,794 to the nearest ten, we look at the digit in the ones place, which is 4. Since 4 is less than 5, we round down. Therefore, the tens digit remains the same, and the ones digit becomes 0. Hence, the rounded number is 2,790.

Explanation

To round the number 2,794 to the nearest ten, we look at the digit in the ones place, which is 4. Since 4 is less than 5, we round down. Therefore, the tens digit remains the same, and the ones digit becomes 0. Hence, the rounded number is 2,790.

6. Round 817 to the nearest hundreds.

810

800

820

900

The number 817 is closer to 800 than it is to 900 when rounding to the nearest hundreds. Therefore, the correct answer is 800.

Explanation

The number 817 is closer to 800 than it is to 900 when rounding to the nearest hundreds. Therefore, the correct answer is 800.

7. Round 8,264 to the nearest hundred.

8,000

8,200

8,260

8,300

To round 8,264 to the nearest hundred, we look at the tens digit. Since the tens digit is 6, which is greater than or equal to 5, we round up the hundreds digit. Therefore, the nearest hundred is 8,300.

Explanation

To round 8,264 to the nearest hundred, we look at the tens digit. Since the tens digit is 6, which is greater than or equal to 5, we round up the hundreds digit. Therefore, the nearest hundred is 8,300.

8. Round the number 5,631 to the nearest hundred.

5,000

5,700

5,630

5,600

To round the number 5,631 to the nearest hundred, we look at the tens digit, which is 3. Since 3 is less than 5, we round down. Therefore, the hundreds digit remains the same and the remaining digits become zeros. Hence, the rounded number is 5,600.

Explanation

To round the number 5,631 to the nearest hundred, we look at the tens digit, which is 3. Since 3 is less than 5, we round down. Therefore, the hundreds digit remains the same and the remaining digits become zeros. Hence, the rounded number is 5,600.

9. What digit do you need to LOOK AT to round 462 to the nearest tens?

4

6

2

To round 462 to the nearest tens, we need to look at the digit in the ones place. If the digit is 5 or greater, we round up, and if it is less than 5, we round down. In this case, the digit in the ones place is 2, which is less than 5. Therefore, we round down and the tens digit remains the same, which is 4.

Explanation

To round 462 to the nearest tens, we need to look at the digit in the ones place. If the digit is 5 or greater, we round up, and if it is less than 5, we round down. In this case, the digit in the ones place is 2, which is less than 5. Therefore, we round down and the tens digit remains the same, which is 4.

10. If rounding 1,208 to the nearest hundred, what place value would you look at to make your decision?

Ones

Thousands

Tens

Hundreds

When rounding 1,208 to the nearest hundred, we need to look at the tens place value to make our decision. The digit in the tens place is 0, which is less than 5. Therefore, we do not need to round up to the next hundred.

Explanation

When rounding 1,208 to the nearest hundred, we need to look at the tens place value to make our decision. The digit in the tens place is 0, which is less than 5. Therefore, we do not need to round up to the next hundred.