Wolfram Research
Wolfram Math World: Intersection
This page gives a brief discussion of the intersection of sets in mathematics and probability.
Khan Academy
Khan Academy: Basic Set Notation
Checks understanding of the union, complement, and intersection of sets. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
University of Georgia
University of Georgia: Inter Math: Intersection of Sets
This site gives a description of intersection of sets along with an example. There are links to related terms, challenging problems, more information, and the interactive check point involving set intersections located in the left-hand...
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Sets
Get independent practice working with sets. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
University of Vienna (Austria)
University of Vienna: Set of Solutions
Interactive assessment in which the solution set of an equation is found. Combines equation solving skills with set notation, introduces empty sets, intersections, subsets of real numbers (rational, integer, prime, etc.).
Texas A&M University
Sets and Set Notation [Pdf]
Learn from this PDF file filled with definitions, examples, and venn diagrams all relating to sets and set notation.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Intersection of Sets
This site responds to an inquiry about what the intersection of sets is. Dr. Math gives an example using cars with certain attributes and then the intersection of these sets.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Operations on Sets
Find a quick, concise explanation of operations on sets. Examples are given and clearly explained.
CK-12 Foundation
Ck 12: Probability: Operations With Sets
[Free Registration/Login may be required to access all resource tools.] This Concept teaches students how to find unions and intersections, as well as to calculate the probabilities of of these sets.
Wolfram Research
Wolfram Math World: Disjoint Sets
This math site explains disjoint sets via example and definition. This site has links to related topics.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Intersection and Union of Sets
Get independent practice working with the intersection and union of sets. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Ministry of Education and Employment of Spain
Red Escolar: Intersecciones
In Spanish. This math game is for two players. The goal is to join the green points on the side of the square with a straight line and get the highest number of intersections between the drawn lines.
California State University
California State University, San Bernardino: Inverse Functions
This site has many links to examples of inverse functions, including intersections, inverse by reflection, and graphing inverse functions.
CK-12 Foundation
Ck 12: Elem Math: Determining Whether an Angle Is Formed
[Free Registration/Login may be required to access all resource tools.] For this learning module, students examine line drawings to determine if angles are formed by intersections. Includes video demonstrating a sample problem [0:32] and...
Wolfram Research
Wolfram Math World: Union
This page provides a good explanation of unions of sets in mathematics. It discusses the union of disjoint sets and the probabilities of unions, incorporating probabilities of the two independent sets and their intersection. Discusses...
That Quiz
That Quiz: Conjuntos
Test your knowledge of sets, union, intersection, complements and Venn diagram by taking this practice test. Five levels are provided and it also tracks the number of correct and wrong answers.
Texas Instruments
Texas Instruments: Systems of Linear Equations
This set of questions pertains to systems of linear equations. Students are asked to determine the number of solutions and to find points of intersection. These are multiple choice problems with solutions included.