1 a. 
Round 171 to the nearest ten.


1 b. 
Round 591 to the nearest ten.


2 a. 
Round 877 to the nearest hundred.


2 b. 
Round 423 to the nearest hundred.


3 a. 
Round 571 to the nearest ten.


3 b. 
Round 175 to the nearest hundred.


4 a. 
Round 880 to the nearest hundred.


4 b. 
Round 493 to the nearest ten.


5 a. 
Round 209 to the nearest hundred.


5 b. 
Round 733 to the nearest hundred.


6 a. 
Round 78 to the nearest ten.


6 b. 
Round 419 to the nearest hundred.


7 a. 
Round 849 to the nearest ten.


7 b. 
Round 892 to the nearest hundred.

