Sheet # 304/Estimating Answers
Name: _____________________ Date_____________
Show your work.
1) The Red River is 1018 miles long. The Potomac River is 287 miles long.
a) Round the numbers to the nearest hundred.
b) Using rounded numbers, find the difference in their lengths.
2) The Ohio River is 981 miles long. The Potomac River is 287 miles long.
a) Round the numbers to the nearest hundred.
b) Using rounded numbers, find the difference in their lengths.
3) The Mississippi River is 2330 miles long. The Red River is 1018 miles long.
a) Round the numbers to the nearest hundred.
b) Using rounded numbers, find the difference in their lengths.
4) The Rio Grande River is 1885 miles long. The Red River is 1018 miles long.
a) Round the numbers to the nearest hundred.
b) Using rounded numbers, find difference in their lengths.
Answers for sheet # 304
1) The Red River is 1018 miles long. The Potomac River is 287 miles long.
a) Round the numbers to the nearest hundred.
1018 = 1000
287 = 300
b) Using rounded numbers, find difference in their lengths?
1000 - 300 = 700 miles
2) The Ohio River is 981 miles long. The Potomac River is 287 miles long.
a) Round the numbers to the nearest hundred.
981 = 1000
287 = 300
b) Using rounded numbers, find difference in their lengths?
700 miles
3) The Mississippi River is 2330 miles long. The Red River is 1018 miles long.
a) Round the numbers to the nearest hundred.
2330 = 2300
1018 = 1000
b) Using rounded numbers, find difference in their lengths?
1300 miles
4) The Rio Grande River is 1885 miles long. The Red River is 1018 miles long.
a) Round the numbers to the nearest hundred.
1885 = 1900
1018 = 1000
b) Using rounded numbers, find difference in their lengths?
900 miles