As you prepare for the Quantitative Reasoning measure of the GRE^{®} revised General Test, we want you to be aware of another free resource that may be helpful to you. Using instructional videos, the Khan Academy website provides additional explanations of concepts in the Math Review for the Quantitative Reasoning Measure of the GRE revised General Test.
For each topic in the Math Review, the table below provides links to relevant sections on the Khan Academy website that contain instructional videos on the topic. Note that some videos in the referenced sections may contain content that does not appear on the GRE Quantitative Reasoning measure. For example, the group of videos labeled "GEOMETRY: Right triangles and trigonometry" contains videos involving trigonometry, which does not appear on the measure.
ETS is not responsible for content on the Khan Academy website; if you experience difficulties when viewing the videos, visit the Khan Academy Help Center to troubleshoot or report a problem.
GRE Math Review Topic  Relevant Section on Khan Academy Site 

ARITHMETIC  
1.1 Integers  
1.2 Fractions  
1.3 Exponents and Roots  
1.4 Decimals 

1.5 Real Numbers 

1.6 Ratio  
1.7 Percent  
ALGEBRA  
Sections 2.1 through 2.9  
2.1 Operations with Algebraic Expressions  
2.2 Rules of Exponents  
2.3 Solving Linear Equations  
2.4 Solving Quadratic Equations  
2.5 Solving Linear Inequalities  
2.6 Functions  
2.7 Applications  
2.8 Coordinate Geometry  
2.9 Graphs of Functions  
GEOMETRY  
3.1 Lines and Angles  
3.2 Polygons  
3.3 Triangles  
3.4 Quadrilaterals  
3.5 Circles  
3.6 ThreeDimensional Figures  
DATA ANALYSIS  
4.1 Graphical Methods for Describing Data 

4.2 Numerical Methods for Describing Data  
4.3 Counting Methods  
4.4 Probability  
4.5 Distributions of Data, Random Variables, and Probability Distributions  
4.6 Data Interpretation Examples 

The videos on the Khan Academy website are the property of Khan Academy and are not produced by ETS. As such, ETS takes no responsibility for the accuracy of the material in the videos.
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