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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.