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Lesson Plan
Curated OER

The Quadratic Formula

For Teachers 7th - 10th
Students solve quadratic function by completing the square. In this algebra lesson, students use the quadratic formula to factor quadratics and find the roots. They graph the parabola and identify its properties.
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Lesson Plan
Curated OER

Introduction to Solving Quadratic Equations by Factoring

For Teachers 7th - 10th
Students solve quadratic equations. In this algebra lesson, students factor and graph linear and quadratic functions. They identify the standard and linear form of each equation.
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Lesson Plan
Curated OER

The Quadratic Formula

For Teachers 9th - 10th
 Pupils derive the quadratic formula. In this algebra lesson, students use the quadratic formula to solve equations and identify the roots of a quadratic equation. They graph their parabola and analyze it.
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Worksheet
Curated OER

Quadratics with Irrational Solutions

For Students 8th - 11th
In this algebra instructional activity, students apply the concepts of a right triangle to help them solve for the missing sides of a triangle. They use the quadratic formula to solve word problems. There are 5 problems with an answer key.
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Lesson Plan
Curated OER

Solving Quadratic Equations Using The Quadratic Formula

For Teachers 6th - 8th
In this math worksheet, pupils practice solving the equations while using the quadratic formula. The example at the top of the page is used for reference.
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Lesson Plan
Curated OER

Applications and Problem Solving Using Quadratic Equation

For Teachers 6th - 8th
For this math worksheet, middle schoolers find the solutions to the problems using the quadratic formula. They also create the algebraic expressions.
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Worksheet
Curated OER

Valentine Application of the Quadratic Formula

For Students 8th - 10th
For this quadratic formula application, students write a quadratic equation that models the situation and then solves the equation to determine the number of students, women, and men that are in a class.  The solution is provided.
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Lesson Plan
Curated OER

Unit Plan On Quadratic Equations

For Teachers 9th - 12th
Students explore a variety of ways of solving quadratic equations. Students choose from graphing, factoring, finding square roots, completing the square and using the Quadratic formula. They ponder in the end on polynomial equations.
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Worksheet
Curated OER

Equations and Inequalities

For Students 11th
In this equations and inequalities review worksheet, 11th graders solve and complete 100 various types of problems. First, they solve each equation using the quadratic formula or completing the square. Then, students solve using matrices...
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Lesson Plan
Curated OER

Quadratic Equation

For Teachers 10th - 12th
In this quadratic equation worksheet, young scholars write equation in standard form. They use the quadratic formula to solve quadratic equations. This three-page worksheet contains five problems.
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Lesson Plan
EngageNY

Complex Numbers as Solutions to Equations

For Students 10th - 12th Standards
Quadratic solutions come in all shapes and sizes, so help your classes find the right one! Learners use the quadratic formula to find solutions for quadratic equations. Solutions vary from one, two, and complex. 
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Lesson Plan
West Contra Costa Unified School District

Investigating the Discriminant

For Teachers 9th - 12th Standards
When is finding the discriminant enough? Using the quadratic formula helps find solutions to quadratic equations, but there are times when just using the discriminant is appropriate. Use this algebra II instructional activity to help...
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Lesson Plan
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Curated OER

Braking Distance

For Teachers 9th - 12th Standards
This real-life model of braking distance motivates learners to approach quadratic equations algebraically, numerically, graphically, and descriptively.
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Worksheet
Rochester Institute of Technology

Roots of Quadratic Equations

For Students 7th - 12th
A five-page worksheet packet guides young mathematicians through solving standard form quadratic equations using the quadratic formula. They can identify the radical sign, the discriminant, and see the three options for finding roots...
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Worksheet
Curated OER

Solving Quadratic Equations

For Students 11th
In this Algebra II activity, 11th graders use the quadratic formula to solve quadratic equations.  The six page activity contains instruction on topic, worked examples and five practice problems.  Answers are not provided. 
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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...
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Worksheet
Curated OER

Solving Quadratic Equations

For Students 9th
For this quadratic equations worksheet, 9th graders solve and complete 7 different problems that include factoring quadratics. First, they solve for the values of x that make the equation true. Then, students substitute their values into...
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Instructional Video16:10
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Flipped Math

Parallelograms and Triangles

For Students 9th - 12th Standards
Expand area problems to incorporate prior knowledge. Pupils begin by reviewing the formulas for finding the area of parallelograms and triangles. The scholars apply previous learning of trigonometric ratios and the Pythagorean Theorem to...
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Lesson Plan
Curated OER

Studying Solutions of Quadratic Equations

For Teachers 9th - 10th
In this algebra worksheet, students solve 8 quadratic equations by using the discriminant. They write the quadratic equation for 7 problems from the solution sets. Three of the solution sets contain imaginary numbers (i).
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Worksheet
Curated OER

Quadratic Review

For Students 10th - 11th
In this quadratic review worksheet, students work with an overview on how to solve and graph quadratic equations.  Twelve fully worked examples are shown.
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Lesson Plan
Virginia Department of Education

Solve for the Unknown

For Teachers 8th - 10th Standards
How can shapes help solve literal equations? Scholars first learn to replace variables with shapes to aid in solving literal equations. A worksheet of practice problems helps hone the skill.
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Worksheet
Curated OER

Final Exam Review: College Algebra

For Students 11th - Higher Ed
In this final exam review instructional activity,s students solve systems of equations, polynomials and factor quadratic equations.  They identify the slope of a line and write linear equations.  Students use Cramer's rule, graphing,...
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Lesson Plan
Curated OER

Linear and Quadratic Functions

For Teachers 11th
In this algebra worksheet, 11th graders solve quadratic functions using the quadratic formula. They take the square roots of both side of each equation then graph both the linear and quadratic functions. There are a total of 84 problems...
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Lesson Plan
Curated OER

Jumping in the Air - What was your Height?

For Teachers 7th - 8th
Students solve equations using the quadratic formula. In this quadratic equations lesson, students use digital cameras to film students jumping and import film clips into a computer. Students use the data in the quadratic formula...