CK-12 Foundation
The Real Numbers: Union and Intersection of Sets
Not everyone can get what they want in a smoothie. Learners determine the fruit they can place in a smoothie given constraints and preferences. The union and intersection of sets must be taken into consideration.
Curated OER
Inequalities
In this inequalities instructional activity, students solve and complete 21 various types of problems. First, they graph the intersection of each graph shown. Then, students graph the union of each graph. In addition, they write the...
Curated OER
Intersections, Unions, and Compound Inequalities
In this algebra worksheet, students graph inequalities on number lines. Two problems are written in interval notation. The other five problems require students to graph and then write in interval notation.
Curated OER
Venn Diagram-Two Circles
In this Venn Diagram worksheet, students analyze the union, intersection, and subtraction of three sets of Venn Diagrams.
CK-12 Foundation
Sets: Bikes or Boards?
Do people ride, slide, or do both? Pupils use an interactive Venn diagram for the numbers of people owning bicycles, owning skateboards, or both. An interactive provides questions for them to answer using the diagram.
CK-12 Foundation
Venn Diagrams: T-Shirt Mystery
Sorting your t-shirts is easy with Venn diagrams. Individuals use a drag and drop interactive to classify shapes on t-shirts into Venn diagrams. A set of challenge questions tests whether the classification is correct.
Curated OER
Grab Bags
Eighth graders graph two inequalities with a single variable. They include drawing the intersection or union of inequalities on a number line. Students solve the linear equations using properties of equality and inequality. The lesson...
Curated OER
Graphing Systems of Equations - Word Problemsr
Students solve word problems which involve graphing systems of equations. After discussing methods of solving word problems, the teacher demonstrates how to solve problems which involve graphing. They work together, at their desks, and...