#### Solved Examples and Worksheet for Rounding Whole Numbers to nearest 10 or 100

Q1Jason bought a book for $34. Round the cost of the book to the nearest ten. A.$35
B. $30 C.$20
D. $40 Step: 1 Jason spent$34 on the book.
Step: 2
The number 34 lies in between 30 and 40.
Step: 3
The number 34 is closer to 30 than to 40.
Step: 4
So, the cost of the book $34 rounded to the nearest ten is$30.
Correct Answer is :   $30 Q2Jeff spent$78 on a trip. Round the amount that he spent to the nearest ten.
A. $80 B.$88
C. $90 D.$70

Step: 1
Jeff spent $78 on a trip. Step: 2 The number 78 lies in between 70 and 80. Step: 3 The number 78 is closer to 80 than to 70. Step: 4 So, the amount$78 rounded to the nearest ten is $80. Correct Answer is :$80
Q3Round 411 to the nearest hundred.

A. 4000
B. 400
C. 300
D. 500

Step: 1
The number 411 is between 400 and 500.
Step: 2
The number 411 is closer to 400 than to 500.
Step: 3
So, the number 411 rounded to the nearest hundred is 400.
Q4Justin and Arthur went to the Disney World. They spent $232. Round the amount they spent to the nearest hundred. A.$300
B. $200 C.$205
D. $195 Step: 1 The amount spent by Justin and Arthur at Disney World is$232.
Step: 2
The number 232 is between 200 and 300. 232 is closer to 200 than to 300.
Step: 3
So, the amount $232 rounded to the nearest hundred is$200.
Correct Answer is :   $200 Q5Round the number 454 to the nearest ten. A. 440 B. 450 C. 460 D. 470 Step: 1 The number 454 is between 450 and 460. Step: 2 The number 454 is closer to 450 than to 460. Step: 3 So, the number 454 rounded to the nearest ten is 450. Correct Answer is : 450 Q6The weekly wage of a worker is$365. Round the amount to the nearest hundred.

A. $370 B.$360
C. $400 D.$465

Step: 1
The number 365 is between the numbers 300 and 400.
Step: 2
350 is half way between 400 and 300.
Step: 3
As 365 > 350, 365 is closer to 400 than to 300.
Step: 4
So the amount $365 rounded to the nearest hundred is$400.
Q7A clown walks on stilts that are 147 centimeters tall. What is 147 rounded to the nearest hundred?

A. 200
B. 100
C. 250
D. 150

Step: 1
Represent 147 on a number line as shown below.
Step: 2
147 is between 100 and 200, but closer to 100.
Step: 3
So, 147 rounded to the nearest hundred is 100.
Q8Round 936 to the nearest ten.
A. 960
B. 940
C. 950
D. 970

Step: 1
The number 936 is between 930 and 940.
Step: 2
The number 936 is closer to 940 than to 930.
Step: 3
So, 936 rounded to the nearest ten is 940.
Q9Round 857 to the nearest ten.
A. 852
B. 850
C. 810
D. 860

Step: 1
Represent 857 on a number line as below.
Step: 2
As 857 is closer to 860 than 850, 857 is rounded to 860.
Step: 3
So, 857 rounded to the nearest ten is 860.
Q10Round 506 to the nearest ten.
A. 460
B. 510
C. 500
D. 501

Step: 1
Represent 506 on a number line as below.
Step: 2
506 is between 500 and 510 but is closer to 510 than 500.
Step: 3
So, 506 rounded to the nearest ten is 510.
Q11Round 94 to nearest ten.

A. 90
B. 100
C. 80

Step: 1
Represent 94 on a number line as below.
Step: 2
As 94 is closer to 90 than 100, 94 is rounded to 90.
Step: 3
So, 94 rounded to the nearest ten is 90.
Q12Round 62 to nearest ten.

A. 70
B. 50
C. 60

Step: 1
Represent 62 on a number line as below.
Step: 2
As 62 is closer to 60 than 70, 62 is rounded to 60.
Step: 3
So, 62 rounded to the nearest ten is 60.
Q132,630 people visited an arts exhibition during a weekend. Round off the number of visitors to the nearest hundred.
A. 2,650
B. 2,750
C. 2,700
D. 2,600

Step: 1
Represent the number 2,630 on a number line.
Step: 2
The number of people who visited the art exhibition is 2,630.
Step: 3
The number 2,630 is between 2,600 and 2,700.
Step: 4
The number 2,630 is closer to 2,600 than to 2,700.
Step: 5
So, the number 2,630 rounded off to the nearest hundred is 2,600.
Q14Round 320 to the nearest hundred.
A. 300
B. 350
C. 400
D. 250

Step: 1
The number 320 is between the numbers 300 and 400.
Step: 2
Note the digit in the tens place of the number.
Step: 3
If the digit in the tens place is less than 5, round down to 300. If the digit is greater than or equal to 5, then round up to 400.
Step: 4
As 2 < 5, round down 320 to 300.
Step: 5
So, rounding 320 to the nearest hundred gives us 300.
Q15Round 334 to the nearest hundred.

A. 400
B. 250
C. 350
D. 300

Step: 1
The number 334 lies between 300 and 400.
Step: 2
The number 334 is closer to 300 than to 400.
Step: 3
So, the number 334 rounded to the nearest hundred is 300.