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Unit Plan
CK-12 Foundation

Ck 12: Applications of Function Models

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] A collection of resources for exploring word problems using function models.
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Unit Plan
Khan Academy

Khan Academy: Fitting Quadratic and Exponential Functions to Scatter Plots

For Students 9th - 10th Standards
Determine if a quadratic or exponential model fits a data set better, then use the model to make a prediction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Activity
Texas Instruments

Texas Instruments: Ball Bounce

For Teachers 9th - 10th
This activity allows students to use real data obtained by them to model quadratic equations. students can use the TI-83 and/or TI-84 and a motion detector to collect their data. The students will then manually fit both quadratic and...
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Activity
Texas Instruments

Texas Instruments: Mc Dougal Littell Algebra 1: Find Minimum and Maximum

For Teachers 9th - 10th Standards
Students can use the TI-84 Plus family to find the minimum or maximum and the zeros of quadratic functions.
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Activity
Texas Instruments

Texas Instruments: Math Today for Ti Navigator System Humidity Makes Air Feel

For Teachers 9th - 10th
Using data from the USA TODAY graphic,"Humidity makes air feel even hotter," students will explore quadratic and cubic functions to determine how well they model the relationship between air temperature and heat index. When the models...
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Activity
Texas Instruments

Texas Instruments: Prodigious! Quadratics and Free Fall Motion

For Teachers 9th - 10th
Uses the movie "October Sky" as an introduction to the study of free fall motion functions. Acts a summation activity to a quadratic unit in Algebra. Solve quadratic equations by graphing, factoring, and the quadratic formula.
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Activity
Texas Instruments

Texas Instruments: Getting Started With the Ti Navigator: Quadratic Equations

For Teachers 9th - 10th
This lesson introduces students to Activity Center and is intended to help students write systems of equations in standard form in slope intercept form to solve the system using tables and graphs.
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Lesson Plan
Alabama Learning Exchange

Alex: Discover the Roots of a Polynomial Function

For Teachers 9th - 10th
In this lesson, students will be re-introduced to the Four Step Problem - Solving Plan. The plan will be used as a 'checks and balance' tool for discovering the roots (solutions) of polynomial functions. Students will: *Explore the...
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: When to Use the Distributive Property

For Students 8th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] Learn to identify when to use the Distributive Property.
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Activity
Help Algebra

Help algebra.com: Quadratic Equations

For Students 9th - 10th Standards
After defining a quadratic equation, this site shows you what the graphs of quadratics look like and how to use the graphs to determine the numbers of solutions to the quadratic. A brief explanation is included on how graphing...
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Handout
Purple Math

Purplemath: Solving Quadratic Equations by Factoring

For Students 9th - 10th
Demonstrates how to solve quadratics using factoring (that is/the Zero-Product Property). Provides worked examples/and warnings about common mistakes.
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Unit Plan
Khan Academy

Khan Academy: Quadratic Formula

For Students 9th - 10th Standards
Solve quadratic equations using the quadratic formula. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unit Plan
Khan Academy

Khan Academy: Quadratics by Taking Square Roots

For Students 9th - 10th Standards
Solve quadratic equations of the form (x+a)squared-b=0. These can be solved using square roots. For example, solve (x-5)squared-4=0. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Bf Skeleton Tower

For Teachers 9th - 10th
This problem is a quadratic function example where students analyze how many cubes are used to build a multi-dimensional tower of different heights. Aligns with F-BF.A.1.
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Unit Plan
Khan Academy

Khan Academy: Equations & Inequalities Word Problems

For Students 9th - 10th Standards
HSA-CED.A.1: Interactive resource which create equations and inequalities in one variable and use them to solve problems. Include equations arising from linear and quadratic functions, and simple rational and exponential functions....
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Activity
Texas Instruments

Texas Instruments: What Goes Up Must Come Down

For Teachers 9th - 10th Standards
In this activity, students use the calculator to solve quadratic equations. They use the quadratic formula to determine the vertex and the x-intercepts of the graph of a quadratic function.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F If, a Rei Springboard Dive

For Teachers 9th - 10th
This problem is about the changing height of a diver en route to the water. It gives students experience translating questions about a real-world context into mathematical questions about a quadratic function and then answering those...
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Activity
Integrated Publishing

Integrated Publishing: Graphical Solution

For Students 9th - 10th Standards
This site explains how graphing can be used to solve (find the roots of) a quadratic equation. Practice problems are included.
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Activity
Texas Instruments

Texas Instruments: The Discriminant

For Teachers 9th - 10th
In this set of questions, students find the discriminant of a quadratic function and use it to determine the number of real roots for the function. The questions are multiple choice and solutions are provided.
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Activity
Texas Instruments

Texas Instruments: Old Mac Donald's Pigpen

For Teachers 9th - 10th
In this activity, students solve a standard maximum value problem using the calculator. Students help Old MacDonald build a rectangular pigpen with 40 m fencing that provides maximum area for the pigs. They graph scatter plots, analyze...
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Activity
Texas Instruments

Texas Instruments: Ratio of Areas

For Teachers 9th - 10th Standards
In this activity, students use the CellSheet Application to determine geometric ratios of areas. Students determine the position of the vertices of a square that has all four vertices on the sides of a larger square and has a specified...
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Lesson Plan
Alabama Learning Exchange

Alex: Creating a Payroll Spreadsheet

For Teachers 9th - 10th
Spreadsheet software allows you to calculate numbers arranged in rows and columns for specific financial tasks. This activity allows students to create an "Employee Work/Pay Schedule" spreadsheet to reinforce spreadsheet skills. Students...
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Activity
Texas Instruments

Texas Instruments: General Quadratics, Cubics, and Quartics

For Teachers 9th - 10th Standards
This activity explores the characteristics of the graphs of quadratic, cubic, and quartic functions. The graphing calculator will be used to generate graphs and derivatives of these functions.
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Activity
Other

Edumat: Geometria Interactive

For Students 9th - 10th
In this section different interactive activities are presented which can be used as supplementary material to traditional classroom and allow for interactive study of mathematics.