Lesson Plan
Curated OER

Using Inequalities to Problem Solve

For Teachers 8th - 10th
Students explore inequalities. For this Algebra I lesson, students solve and graph linear inequalities involving addition, subtraction, multiplication, or division.  Students use inequalities to solve and graph real-world problems.
Worksheet
Curated OER

Comparing Fractions (G)

For Students 5th
In this comparing fractions practice worksheet, 5th graders examine 10 pairs of fractions. Students identify each of the pairs of fractions as greater than, less than, or equal to one another.
Worksheet
Curated OER

Comparing Fractions (F)

For Students 5th
In this comparing fractions practice worksheet, 5th graders examine 10 pairs of fractions. Students identify each of the pairs of fractions as greater than, less than, or equal to one another.
Worksheet
Curated OER

Comparing Fractions (H)

For Students 4th - 5th
In this comparing fractions practice instructional activity, students examine 10 pairs of fractions. Students identify each of the pairs of fractions as greater than, less than, or equal to one another.
Worksheet
Curated OER

Comparing Fractions (I)

For Students 4th - 5th
In this comparing fractions practice worksheet, students examine 10 pairs of fractions. Students identify each of the pairs of fractions as greater than, less than, or equal to one another.
Worksheet
Curated OER

Comparing Fractions (J)

For Students 4th - 5th
In this comparing fractions practice learning exercise, students examine 10 pairs of fractions. Students identify each of the pairs of fractions as greater than, less than, or equal to one another.
Worksheet
Curated OER

Solution Sets

For Students 9th
In this solution set worksheet, 9th graders solve 5 different problems that include graphing on the x- and y-axis. First, they solve each inequality as needed. Then, students graph the solution set found in each on the coordinate plane...
Worksheet
Curated OER

Inequalities

For Students 9th
For this inequalities worksheet, 9th graders solve and complete 25 various types of problems. First, they determine the portion of the graph that should be shaded for each inequality. Then, students graph each system of inequalities. In...
Worksheet
Curated OER

Graphing Systems of Inequalities

For Students 9th
In this systems of inequalities worksheet, 9th graders solve 10 different sets of problems that include graphing systems of inequalities. First, they graph each inequality separately. Then, students solve each system of inequalities and...
Worksheet
Curated OER

Graphing Inequalities

For Students 9th - Higher Ed
In this graphing inequalities worksheet, students solve and graph the solution set for eight inequalities. They first solve each inequality, either for x or for y, then they plot the coordinates found on the graph provided for each...
Lesson Plan
Curated OER

Illustrate Inequalities

For Teachers 6th
Sixth graders participate in a lesson that involves the concept of inequalities. They translate the words of problems and put them into a visual illustration. The illustration should include a number line for assessment.
Worksheet
Curated OER

Solving Inequalities

For Students Higher Ed
In this college level algebra worksheet, students solve absolute value and quadratic inequalities.  The two page worksheet contains three problems.  Answers are not provided. 
Lesson Plan
Illustrative Mathematics

Comparing Temperatures

For Teachers 5th - 7th Standards
Which is colder -12 or -18? Temperature is natural real-world application of ordering rational numbers. It's also fun to talk about the lowest recorded temperature on Earth. Take the time to discuss this inquiry with your class. 
Lesson Plan
Illustrative Mathematics

Fractions on the Number Line

For Teachers 6th - 7th Standards
Fractions are a common fear in school, but visualizing them on a number line can help your learners understand their relationship to one another. The activity provides two solutions; use either a number line or a common denominator....
Worksheet
Curated OER

Linear Inequalities in Two Variables

For Students 9th - 12th Standards
Use this worksheet as a warm up, a refresher exercise, or a practice after a more detailed lesson on graphing linear inequalities in two variables. Start with boundaries that are horizontal or vertical, then move into graphs with...
Lesson Plan
Curated OER

Absolute Value Inequalities

For Teachers 9th - 12th
Students solve inequalities.  In this absolute value lesson, students solve inequalities containing absolute value.  They graph the solution of each problem. 
Lesson Plan
Curated OER

Geometric Patterns

For Teachers 7th - 8th
Students explore geometric patterns. Given three straws of various sizes, students conduct tests, and search for patterns, to determine if the various sizes would form a triangle. They use the Triangle Inequality Theorem to determine...
Lesson Plan
Curated OER

Grab Bags

For Teachers 8th
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...
Lesson Plan
Curated OER

Linear Inequalities

For Teachers 9th
Ninth graders practice recognizing similarities and differences found in the graphing of inequalities and equations. Once observatioons are made they solve some of their own applying prior knowledge.
Lesson Plan
Curated OER

Quilt Patch Proof

For Teachers 6th - 10th
Learners construct a convincing argument that the same amount of fabric is needed for each color of quilt being made in a specific design. They justify the relationship between vertical angles and the sum of the interior angles. Students
Lesson Plan
Curated OER

MA 371 Homework 1: Vectors

For Teachers 12th - Higher Ed
In this vectors worksheet, students solve 7 short answer problems. Students find vectors that are orthogonal. Students solve systems of equations by converting matrices into reduced row echelon form.
Lesson Plan
Curated OER

Solving Multi-Step Inequalities

For Teachers 8th - 9th
In this math worksheet, students solve inequalities. Four problems involve negative values for the variables. Inequalities involve two or more steps to solve. The final two problems are word problems.
Lesson Plan
Curated OER

Systems of Linear Inequalities in Slope-Intercept Form -- Lecture

For Teachers 6th - 8th
Students are introduced to linear inequalities in slope-intercept form. As a class, they participate when needed in a demonstration given by their teacher and practice graphing inequalities and describing the solution. They set up and...
Lesson Plan
Curated OER

System of Two Quadratic Inequalities

For Teachers 10th - 12th
Students set up and solve a system of quadratic inequalities related to real-world situations.