The following series of videos will familiarize you with the  mathematical skills and concepts that are important to know, for the purpose of  solving problems on the quantitative reasoning section of the GRE revised  General Test. 

The revised GRE Quantitative reasoning sections are designed to  measure your problem-solving ability, and focuses on basic concepts from  arithmetic, algebra, geometry, and data analysis.

    These videos will include many definitions,  properties, and examples keep in mind that this review is not intended to be  all-inclusive there may be some concepts on the test that are not explicitly  presented in these videos. Nevertheless you still need to acquaint yourself  with the basic vocabulary and properties of numbers.