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Activity
Illustrative Mathematics

Springboard Dive

For Teachers 8th - 12th Standards
Dive into this problem that illustrates a real-world application of the quadratic formula. Learners are given an equation that represents the height of a diver above the water t seconds after leaving the springboard. The task is to...
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Lesson Plan
Curated OER

Quadratics Introduction

For Teachers 5th - 8th
Students investigate quadratic functions graphically and algebraically.
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Assessment
Inside Mathematics

Graphs (2007)

For Teachers 9th - 12th Standards
Challenge the class to utilize their knowledge of linear and quadratic functions to determine the intersection of the parent quadratic graph and linear proportional graphs. Using the pattern for the solutions, individuals develop a...
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Unit Plan
EngageNY

Complex Numbers and Transformations

For Teachers 11th - 12th Standards
Your learners combine their knowledge of real and imaginary numbers and matrices in an activity containing thirty lessons, two assessments (mid-module and end module), and their corresponding rubrics. Centered on complex numbers and...
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Lesson Plan
Curated OER

Reading Graphs

For Teachers 7th - 10th
Working independently or in teams, your class practices connecting graphs, formulas and words. This lesson includes a guided discussion about distance vs. time graphs and looking at how velocity changes over time.  
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Assessment
Inside Mathematics

Graphs (2004)

For Teachers 9th - 12th Standards
Show your pupils that perimeter is linear and area is quadratic in nature with a short assessment task that requests learners to connect the graph and equation to a description about perimeter or area. Scholars then provide a...
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Activity
Howard County Schools

Building a Playground

For Teachers 9th - 11th Standards
Scholars crave practical application. Let them use the different models of a quadratic function to plan the size and shape of a school playground. They convert between the different forms and maximize area.
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Assessment
CCSS Math Activities

Patchwork

For Students 9th - 12th Standards
Patch up any misconceptions about writing functions. Scholars undertake a performance task that has them first examine a pattern in patchwork cushions. They represent the patterns in triangular and rectangular blocks using a table and as...
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Interactive
Curated OER

Solving Equations by Factoring

For Teachers 8th - 11th
In 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 solution steps and...
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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...
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Worksheet
Curated OER

Complex Roots Made Visible

For Students 11th
In this algebra worksheet, 11th graders solve quadratic functions using the quadratic formula. They identify the negative roots using complex roots. There is an answer key with this problem.
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Worksheet
Curated OER

Factorize Using Formula

For Students 9th - 11th
In this algebra worksheet, learners factor equations using the difference of squares formula. They solve quadratics by factoring. There are 6 questions with an answer key.
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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...
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Lesson Plan
Curated OER

Quadratics Equations

For Teachers 9th - 11th
In this algebra worksheet, students define the equations and discuss how many and what kinds of roots there will be. There are 6 questions dealing with roots, complex numbers and quadratics.
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Interactive
Curated OER

Word Problems

For Students 9th - 11th
In this algebra worksheet, students are guided to choose the best method to solve problems using graphing, factoring, completing the square, and quadratic formula. There are 4 problems with an answer key.
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Lesson Plan
EngageNY

Overcoming Obstacles in Factoring

For Students 10th - 12th Standards
What do you do when factoring doesn't work? Learners complete the square when faced with quadratic expression that don't factor traditionally. They then use factoring by grouping to solve polynomial equations.
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Lesson Plan
West Contra Costa Unified School District

Polynomial Division

For Students 9th - 12th Standards
How do you apply the traditional division algorithm to polynomials? Here is an Algebra II lesson plan that extends the use of the division algorithm to polynomials. After establishing the concept of long division, synthetic division and...
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Lesson Plan
Curated OER

Tilted Squares and Right Triangles

For Teachers 5th - 6th
Students investigate squares. They generate patterns from structured situations and find a rule for the general term and express it using words and symbols. Students generate patterns from a rule and substitute values and formulas.
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Lesson Plan
Curated OER

Maximum and Minimum Values

For Teachers 11th
In this Algebra II worksheet, 11th graders complete the square to write a quadratic equation in Standard form.  Students identify the vertex, sketch the graph and state the maximum or minimum value of the functions.  The one page...
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Lesson Plan
Curated OER

Parabolas

For Teachers 11th - 12th
Students find equations of parabolas in real world scenarios.  In this finding equations of parabolas in real world scenarios lesson, students find the equations of parabolas of US landmarks.  Students put a grid on landmarks such as the...
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Worksheet
Curated OER

Word Problems

For Students 10th - 11th
In this algebra activity, students solve word problems using algebra. They factor using the quadratic formula and complete the square. There are 4 problems with an answer key.
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Lesson Plan
Curated OER

Discriminant Testing

For Teachers 9th - 12th Standards
The class works to identify solutions using the discriminant.They use part of the quadratic formula to find the number of solutions a quadratic equation will have. They calculate how-many times the quadratic function will cut the x-axis....
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Worksheet
Curated OER

Understanding the Discriminant

For Students 11th
In this instructional activity, 11th graders use the quadratic formula to find the discriminant. The discriminant tells how many and what kinds of solution a quadratic equation has. There are 22 question son this instructional activity.
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Lesson Plan
Curated OER

Multiply Polynomials

For Teachers 9th - 11th
Young scholars solve polynomial problems. In this algebra lesson, students multiply polynomial equations using FOIL and quadratic formula. They complete the square and factor by grouping.