Estimation and rounding are used as a problem solving strategy when solving complex long division problems. Students learn that estimation does not always produce an accurate solution, but by using their knowledge of division, they can adjust the solution higher or lower by one digit to obtain the correct solution with a remainder.

Copyright: 2001

Grades: Gr. 3 - Gr. 5

**Citation (MLA)**
*Lesson 7: Long Division with Remainders*.
Prod. Math Mastery. Math Mastery, 2001.
*Discovery Education*. Web. 15 September 2014. <http://www.discoveryeducation.com/>.

**Citation (APA)**
Math Mastery (Producer).
(2001).
*Lesson 7: Long Division with Remainders*. [TitleChapter].
Available from http://www.discoveryeducation.com/

**Citation (Chicago Manual of Style)**
Math Mastery. "Lesson 7: Long Division with Remainders."

Discovery Education: http://streaming.discoveryeducation.com/