Sheet # 301/Estimating Answers
Name: _____________________ Date_____________
Show your work.
1) Franklin school has 229 students. Carden has 379 students.
a) Round both numbers to the nearest ten.
b) Using rounded numbers, find the total number of students in the two schools.
2) Tom earned 183 points on a computer game while Carol earned 279 points.
a) Round both numbers to the nearest ten.
b) Using rounded numbers, find how many more points Carol earned than Tom.
3) One magic box holds 127 prizes and another holds 234.
a) Round both numbers to the nearest ten.
b) Using rounded numbers, find how many more prizes the second box holds.
Answers for sheet # 301
1) Franklin school has 229 students. Carden has 379 students.
a) Round both numbers to the nearest ten.
229 = 230
379 = 380
b) Using rounded numbers, find how many more students there are in the Carden school than in the Franklin school.
380 + 230 = 620 students
2) Tom earned 183 points on a computer game while Carol earned 279 points.
a) Round both numbers to the nearest ten.
183 = 180
279 = 280
b) Using rounded numbers, find how many more points Carol earned than Tom.
280 - 180 = 100 more points
3) One magic box holds 127 prizes and another holds 234.
a) Round both numbers to the nearest ten.
127 = 130
234 = 230
b) Using rounded numbers, find how many more prizes the second box holds.
230 - 130 = 100 more prizes