Curated OER
How Do You Factor a Polynomial by Grouping?
There are four terms in this polynomial. Try to factor it by grouping the terms. Confused? Try to get four terms into the product of two binomials? Still confused? Watch the instructor as she goes through the steps to group and regroup...
Curated OER
How Do You Factor a Common Factor Out Of a Difference of Squares?
How do you know that a binomial can be factored using the difference of squares? First try finding the greatest common factor and pulling that out. Then take a look at what is left. Are the coefficients perfect squares? Then it could be...
PBS
Pbs Learning Media: Curious George: Sort It Out!
When Curious George invites a group of dogs home from the Dog Show, he has to figure out a way to sort them so that he can count them correctly. After watching the video, students learn about classifying objects that have common...
PBS
Pbs Learning Media: Peg + Cat: Math in the Bath: Fair Sharing
This video will help children learn to count and group rocks withPeg and Cat. Peg and Cat share rocks to build a spaceship. Includes a "Teacher Feature" which demonstrates how one teacher used this resource in her classroom. [1:02]
PBS
Pbs: Workplace Essential Skills: Grouping and Sorting Packages
Employees explain how they use the mathematical concept of grouping and sorting every day in their jobs in the logistics and transportation industries.