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## McGraw-Hill Math Grade 3 Answer Key Chapter 1 Lesson 7 Rounding to the Nearest Ten

**Solve**

**Round to the nearest ten.**

Question 1.

2,348 __2,350__

Question 2.

515 ______

Answer:

520

Explanation:

Ones digit is 5

The ones digit is equal to 5

So, change the ones digit as 0 and add 1 to the tens digit

515 rounded to the nearest ten is 520.

Question 3.

634 ______

Answer:

630

Explanation:

Ones digit is 4

The ones digit is less than 5

So, change the ones digit as 0 and keep the tens digit same

634 rounded to the nearest ten is 630.

Question 4.

788 ______

Answer:

790

Explanation:

Ones digit is 8

The ones digit is greater than 5

So, change the ones digit as 0 and add 1 to the tens digit

788 rounded to the nearest ten is 790.

Question 5.

6,485 ______

Answer:

6,490

Explanation:

Ones digit is 5

The ones digit is equal to 5

So, change the ones digit as 0 and add 1 to the tens digit

6,485 rounded to the nearest ten is 6,490.

Question 6.

7,607 ______

Answer:

7,610

Explanation:

Ones digit is 8

The ones digit is greater than 5

So, change the ones digit as 0 and add 1 to the tens digit

7,607 rounded to the nearest ten is 7,610.

Question 7.

423 ____

Answer:

420

Explanation:

Ones digit is 4

The ones digit is less than 5

So, change the ones digit as 0 and keep the tens digit same

423 rounded to the nearest ten is 420.

Question 8.

540 ____

Answer:

540

Explanation:

Ones digit is 0

The ones digit is 0 and is that means it is rounded already.

Question 9.

9,475 ____

Answer:

9,480

Explanation:

Ones digit is 5

The ones digit is equal to 5

So, change the ones digit as 0 and add 1 to the tens digit

9,475 rounded to the nearest ten is 9,480.

Question 10.

8,633 ____

Answer:

8,630

Explanation:

Ones digit is 4

The ones digit is less than 5

So, change the ones digit as 0 and keep the tens digit same

8,633 rounded to the nearest ten is 8,630.