Instructional Video
Sophia Learning

Sophia: Relating Positive and Negative Numbers: Lesson 2

7th - 8th
This lesson discusses the relationship between positive and negative numbers. It is 2 of 13 in the series titled "Relating Positive and Negative Numbers."
Instructional Video
Sophia Learning

Sophia: Relating Positive and Negative Numbers: Lesson 4

7th - 8th
This lesson discusses the relationship between positive and negative numbers. It is 4 of 13 in the series titled "Relating Positive and Negative Numbers."
Instructional Video
Sophia Learning

Sophia: Relating Positive and Negative Numbers: Lesson 5

7th - 8th
This lesson discusses the relationship between positive and negative numbers. It is 5 of 13 in the series titled "Relating Positive and Negative Numbers."
Instructional Video
Sophia Learning

Sophia: Relating Positive and Negative Numbers: Lesson 8

7th - 8th
This lesson discusses the relationship between positive and negative numbers. It is 8 of 13 in the series titled "Relating Positive and Negative Numbers."
Instructional Video
Khan Academy

Khan Academy: Order by Length

1st - 2nd Standards
Sal orders three objects by length, and compares the lengths of two objects indirectly by using a third object. [2:37]
Instructional Video
Loyola University Chicago

Math Flix: Word Problems and Comparisons

3rd - 8th
This QuickTime movie provides an opportunity to learn about how to compare amounts and data from a variety of sources. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.