Lesson Plan
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Is the Slope Legal?

For Teachers 8th - 10th
Students define parallel and perpendicular lines. In this algebra instructional activity, students relate the concept of parallel and perpendicular lines to the real world. They classify the lines based on their slopes.
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Who Shares my Functions?

For Teachers 9th - 11th
Students examine the relationship between two equations. In this algebra lesson, students investigate linear and non-linear relationships between two equations. They discuss functions of graphs, tables and equations by making...
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Guess the Age

For Teachers 6th - 8th
Students explore functions using real world application. In this algebra instructional activity, students play a game as they apply concepts of function. They graph their findings and discuss it with the class.
Lesson Plan
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Guess the Age

For Teachers 9th - 11th
Students rewrite word problems using symbols. In this algebra lesson, students rewrite equations graphically, algebraically and verbally. They relate the concepts to the real world.
Lesson Plan
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Choosing a Summer Job

For Teachers 7th - 9th Standards
What did you do over your summer vacation. Young wage earners must compare summer job options, and determine when each job earn the same amount and what that amount be. This be done by creating, graphing, and solving systems of...
Lesson Plan
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Homecoming Tickets

For Teachers 7th - 10th
Young scholars solve word problems using systems of equation. For this algebra lesson, students use computer and graphing to graph and analyze their solution. They solve system involving inequalities.
Lesson Plan
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Relating Distance and Velocity Over Time

For Teachers 8th - 11th
Students calculate the distance and velocity over time. In this algebra lesson, students graph a linear function to represent the distance vers time travel. They interpret their graphs and draw conclusion.
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Slip Slide'n Away

For Teachers 8th - 10th
Students analyze the sliding of boxes along a warehouse floor. In this algebra lesson, students connect math and physics by calculating the friction created by the sliding of each box. They develop faster method to move the box, based on...
Lesson Plan
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Ice Melting Investigation

For Teachers 7th - 9th
Students conduct an ice melting investigation in which they observe and measure the melting of two ice spheres. They develop a hypothesis as to which sphere will melt the fastest, collect data every ten minutes, and graph the data using...
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The Price Is Right

For Teachers 7th - 9th
Students create a list of products with estimated prices. For this algebra lesson, students learn to write equations using variables. They match their created list with that of actual products and compare their prices,
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Modeling Population Growth

For Teachers 9th - 11th
Students collect data on population growth. In this statistics lesson, students graph their data and make predictions. They find the linear regression and the best fit line.
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Saving the Bald Eagle

For Teachers 6th - 12th
Students plot on a coordinate plane. For this algebra lesson, students identify points on a coordinate plane and graph lines given coordinate pairs. They create a model as they study bald eagles and their growth and decay.
Lesson Plan
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Slope of a Line

For Teachers 8th - 9th
Learners identify the slope of a line. In this algebra lesson plan, students discover the process of how to find the slope of a line and classify the slope as positive, negative, zero or undefined. They find the slope of a line given two...
Lesson Plan
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Cartesian Coordinate System

For Teachers 7th - 9th
Students explore the Cartesian coordinate plane and plot points on the graph. They interpret coordinates for a point from the graph and give the ratio of rise over run for slope.
Lesson Plan
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Proportions in Stories

For Teachers 8th - 10th
Students solve problems dealing with ratios and proportions. In this algebra lesson, students rewrite word problems using equations and symbols. They correctly convert between percents and decimals.
Worksheet
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Two Variable Inequalities

For Students 8th - 11th
In this algebra instructional activity, students solve inequalities using addition, subtractions and multiplication. They graph the inequalities with shading. There are 2 questions.
Lesson Plan
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Direct and Inverse Variation

For Teachers 8th
Eighth graders participate in two data collection activities that involve direct and inverse variation. In the pre-assessment, 8th graders categorize numerical, graphical, and verbal representations as linear or nonlinear and determine...
Worksheet
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Direct Variation

For Students 11th
For this Algebra II worksheet, 11th graders solve problems involving direct variation.  The two page worksheet contains explanation, examples, and twenty-one problems.  Answers are not included. 
Worksheet
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Writing a Function Rule

For Students 9th - 11th
For this Algebra I/Algebra II worksheet, students determine the equation that correctly represents the relationship between the x and y values provided.  The one page worksheet contains four multiple choice problems.  Answers...
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How Much Will I Spend On Gas?

For Teachers 3rd - 6th
Young scholars construct a linear graph. In this graphing lesson, students determine a monthly budget for gasoline. Young scholars construct a t-chart and coordinate graph to display data. Resources are provided.
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Graphs and Functions

For Teachers All
Students are introduced to plotting functions on the Cartesian coordinate plane seen several categories of functions, including lines and parabolas
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Elimination with Multiplication

For Teachers 10th - 11th
Students solve equations using linear combination. In this algebra lesson, students solve a system by checking if a given pair of coordinates are solution to the system. They solve the system using elimination, and algebraic...
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Discovering Growth Patterns

For Teachers 7th - 9th
Students explain the differences between linear (arithmetic) and exponential (geometric) growth. They use worksheets imbedded in this lesson to help them make predicitions and graph data points.
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Water in the Texas Coastal Basins

For Teachers 9th - 12th
Students, after researching a Texas coastal basin, map and graph the information they collect and then translate it into a short report to be presented to their classmates. They brainstorm unique ways to maintain Texas estuaries as well...