Lesson Plan
Curated OER

Ellipses (Part 1)

For Teachers 10th - 12th
Students work with Ellipses in Algebra II. In this algebra lesson, students solve an equation with a radical expression. They graph ellipses and write an equation for them.
Interactive
Curated OER

Square Roots and Quadratics.

For Students 9th - 11th
In this algebra worksheet, students solve for the square root and calculate and solve roots. There are 10 questions with an answer key.
Lesson Plan
EngageNY

Completing the Square (part 2)

For Students 9th - 10th Standards
Give classes confidence in completing the square with a resource that develops the process of completing the square of more complex problems, including fractions and values greater than one. It then uses quadratic modeling for...
Lesson Plan
Curated OER

Connections Involving Linear And Quadratic Functions

For Teachers 9th - Higher Ed
In this math worksheet, students determine the range of the function. Then they graph the functions while finding the coordinates on the plane.
Lesson Plan
Curated OER

Quadratic Equations

For Teachers 10th
Tenth graders review algebraic methods of solving quadratic equations. Students discuss several methods of solving quadratic equations. They practice factoring and finding the roots of an equation for solving. A calculator is used to...
Interactive
Curated OER

Quadratic Equations

For Students 9th - 11th
In this Algebra I/Algebra II activity, students investigate the various methods that can be used to solve quadratic equations.  The one page interactive activity contains instruction, worked examples and five practice...
Lesson Plan
Curated OER

"Ball Bounce" Quadratic Functions

For Teachers 9th - 11th
Young scholars manipulate a ball and explore quadratic functions. In this algebra instructional activity, students analyze the graph of a quadratic function. They identify quadratic properties.
Worksheet
Curated OER

Solving Quadratic Equations

For Students 11th
In this Algebra II instructional activity, 11th graders use the quadratic formula to solve quadratic equations.  The six page instructional activity contains instruction on topic, worked examples and five practice problems. ...
Worksheet
Curated OER

Quadratic Formula

For Students 11th
In this Algebra II learning exercise, 11th graders use the discriminant to determine the nature of the roots of a quadratic equation, determine the best method to use when solving a quadratic, and practice using the quadratic formula to...
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.
Lesson Plan
Curated OER

Factoring to Solve Quadratic Equations

For Teachers 9th
Ninth graders solve quadratic equations. In this factoring lesson plan, 9th graders answer questions from the text and complete a worksheet. 
Lesson Plan
Illustrative Mathematics

An Integer Identity

For Teachers 8th - 12th Standards
Challenge algebra learners to use the difference of cubes to solve this problem. Once your charges have taken out the factor (a - b), combined the like terms and set them equal to zero, the problem becomes a factorable quadratic...
Lesson Plan
EngageNY

Analyzing a Data Set

For Teachers 9th - 10th Standards
Through discussions and journaling, classmates determine methods to associate types of functions with data presented in a table. Small groups then work with examples and exercises to refine their methods and find functions that work...
Lesson Plan
EngageNY

Analyzing a Graph

For Teachers 9th - 10th Standards
Collaborative groups utilize their knowledge of parent functions and transformations to determine the equations associated with graphs. The graph is then related to the scenario it represents. 
Lesson Plan
EngageNY

Successive Differences in Polynomials

For Students 10th - 12th Standards
Don't give your classes the third degree when working with polynomials! Teach them to recognize the successive differences and identify the degree of the polynomial. The lesson leads learners through a process to develop an understanding...
Lesson Plan
EngageNY

Recognizing Equations of Circles

For Teachers 9th - 12th Standards
What does completing the square have to do with circles? Math pupils use completing the square and other algebraic techniques to rewrite equations of circles in center-radius form. They then analyze equations of the form x^2 + y^2 + Ax +...
Activity
5280 Math

Polygon Polynomials

For Teachers 8th - 12th Standards
Patterns in polygons lead to patterns in polynomials. Presented with a series of polygons, individuals create polynomial expressions to represent their patterns. The algebra project consists of nine problems that incorporate polynomial...
PPT
Curated OER

Calculator Tricks: The Golden Prediction

For Teachers 6th
Excite the class with a mathematical trick, a calculator, and a good number sense. They use the directions provided on each slide to make a list of numbers, use their calculator to divide, and find the golden mean. A little history on...
Lesson Plan
Texas Instruments

Properties of Parabolas

For Teachers 9th - 12th Standards
Explore the properties of parabolas in this instructional activity. Construct a parabola given a focus and a directrix on the Ti-Nspire. Write equations of parabolas in vertex form and determine the a value of a parabola given a focus...
Interactive
Curated OER

Solving Equations by Factoring

For Teachers 8th - 11th
For this algebra worksheet, learners use the Zero Product Property to solve polynomial equations by factoring.  Application problems are included.  The one page interactive worksheet contains fifty-four problems.  The...
Worksheet
Curated OER

Square-Root Functions and Radical Equations

For Students 8th - 9th
This practice worksheet includes simple radical equations, and some quadratic equations that can be solved by the square root method. There is good practice here in checking the solutions, and a few graphing problems. 
Lesson Plan
Curated OER

Equations With Radical Expressions

For Teachers 10th - 12th
Students solve systems of equations with radical expressions. After reading real life situation, they translate the problem into algebraic expressions. As a class, students solve quadratic equations and inequalities by graphing and...
Lesson Plan
Curated OER

Completing the Square

For Teachers 11th
In this Algebra II worksheet, 11th graders respond to a journal prompt in which they write their own quadratic equation and solve it by completing the square.  The one page worksheet contains three questions. Possible answers are...
Lesson Plan
Curated OER

Factoring

For Teachers 9th - 12th Standards
High Schoolers engage in a study of quadratic functions and focus upon the finding of equivalence and its connection between functions. They also practice factoring using the FOIL method while manipulating the equation. The lesson also...