Instructional Video
Khan Academy

Khan Academy: Evaluating Expressions With and Without Parentheses

5th Standards
Demonstrates the role of parentheses in a written expression by solving one with and without the parentheses. [2:06]
Instructional Video
Khan Academy

Khan Academy: Dividing Whole Numbers by Fractions: Word Problems

5th - 6th Standards
By watching this video lesson, you will learn how to solve a word problem that involves dividing a whole number by a unit fraction. [2:31]