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Functions of Algebra

For Teachers 9th - 12th
Students use technology graph and evaluate linear inequalities. They write and manipulate inequalities for use on a graphing calculator. In addition they apply their skills to analyze inequalities. Answer Key included.
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Connecting Factors and Zeros

For Teachers 9th - 12th Standards
In this Algebra II lesson, students explore the connection between the factored form of a quadratics and the zero of a function. Students use a graphing calculator to verify factoring numerically and graphically.
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Rhinos and M&M's

For Teachers 9th - 12th
Students analyze patterns of exponential models by collecting data in paper folding and M&M investigations. They use graphing calculators to create scatter plots that lead to equations for the exponential models. They then apply this...
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Functions & Algebra

For Teachers 8th - 10th
Learners examine linear equations. For this functions and algebra lesson, students write equations in the slope-intercept form. They enter data in a graphing calculator, examine tables, and write linear equations to match the data.
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Getting Triggy With It

For Teachers 9th - 12th Standards
The concept of sine and cosine is explored in this lesson where students graph sine and cosine graphs using a transformation application on the graphing calculator.  Students change the coefficients for the amplitude, period,...
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Linear Relationships - Standard Form

For Teachers 9th - 12th
Students use a graphing calculator to examine the association between the data points and equation of a linear relationship. They write equations in standard form and then graph the equations using the slop-intercept form. Answer Key...
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Exploring the Orthocenter of a Triangle

For Teachers 9th - 12th Standards
Young mathematicians explore the concept of triangles as they construct altitudes of triangles to find the orthocenter. Learners construct their triangles using Cabri Jr. on their graphing calculators and find that the altitudes of a...
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The Slope of a Line

For Teachers 9th - 12th
Young scholars define the slope of a line as rate of change. They investigate positive, negative, zero, or undefined slope using a graphing calculator. They determine the slope of a line when given the equation of the line.
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Linear Relationship

For Teachers 9th - 12th
Students use a graphing calculator to examine the association between the data points and equation of a linear relationship. They write equations in slope- intercept form. Answer key included.
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Who Let the Dogs Out?

For Teachers 7th - 8th
Students examine the concepts of area and perimeter and how they relate to a rectangle. They find the largest possible area that can be enclosed by a fixed perimeter and complete a worksheet as well as create a table of all the possible...
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Perpendicular Bisector Theorem

For Teachers 9th - 12th Standards
High schoolers construct perpendicular bisectors using Cabri Jr. on their graphing calculator. They then construct conditional statements about perpendicular bisectors along with their converse, inverse, and contrapositive.
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Midsegments of Quadrilaterals

For Teachers 9th - 12th Standards
High schoolers explore the concept of quadrilaterals as they find the midsegments of quadrilaterals using Cabri Jr. on a graphing calculator. They find midpoints, slopes, angles, and distances of lines and angles.
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Linear and Exponential Models

For Teachers 10th - 12th
Students linearize data to determine if an exponential model is suitable. In this linearizing data to determine if an exponential model is suitable instructional activity, students graph the residuals of sets of data that appear to have...
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3.14159265

For Teachers 9th - 12th
High schoolers discover the value of Pi.  In this value of Pi activity, students measure the circumference and diameter of various circles on their graphing calculator.  High schoolers find the ratio of the circumference to the...
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Angle Relationships

For Teachers 10th
Tenth graders explore the angle relationships that exist when two lines intersect. In this geometry lesson, 10th graders estimate the measure of given angles and use their graphing calculator tools. Students use this knowledge to find...
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Calculator Curiosities: Order of Operations, Domain, And Inverse Functions

For Teachers 11th - Higher Ed
In this math worksheet, students investigate the concepts of order of operations, domains, and inverse functions while using a calculator.
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Finding Patterns and Graphing Functions

For Teachers 9th - 10th
Students investigate patters for area and perimeter. In this Algebra I/Geometry lesson, students explore two different patterns as they write a formula for the nth term of each pattern. Students graph their results and determine if the...
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Tune...Um!

For Teachers 9th - 12th
Students collect real data on sound. In this algebra lesson plan, students use a CBL and graphing calculator to observe the graph created by sound waves. They draw conclusion about the frequency of sound from the graph.
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Coordinate Graphs, Translations and Reflections

For Teachers 7th - 8th
Students perform translations and reflections. In this algebra lesson, students use the TI calculator to graph functions. They move the functions around on the coordinate plane using translation and reflection.
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Lines of Best Fit

For Teachers 9th - 12th
High schoolers determine if there is an associationm in a scatter plot of data. They analyze data through predictios, comparisons, and applications. Students calculate the line of best fit using a graphing calculator. They display data...
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Graphing Linear Functions

For Teachers 7th - 8th
Students practice solving systems of linear equations using the substitution and elimination methods. They determine if the system has one, infinite or no solution. Students also graph the linear equations.
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Graphing Absolute value Inequalities

For Teachers 9th - 12th
Students investigate the concept of inequalities and practice graphing them at various degrees of difficulty. They review the basic rules with the teacher at the level of theory which may make it harder for them to understand without...
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Inquiry Unit: Modeling Maximums and Minimums

For Teachers 8th - 12th
Young mathematicians explore the maximun area for patio with the added complexity of finding the mimimum cost for construction. First, they maximize the area of a yard given a limited amount of fence and  plot width v. area on a...
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Systems of Equations and Real Life

For Teachers 9th - 12th
What a great classroom resource! The intention of this lesson is to show that real-world math can and should be applied to the community in which your students reside. The class relates properties of equations to solving for species...