Lesson Plan
Curated OER

Balanced Systems of Equations

For Teachers 9th - 11th Standards
Students solve equations. In this algebra instructional activity, students relate solving equations to a balanced scale. They add, subtract, multiply and divide on both sides to keep the scale balanced.
Lesson Plan
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How Many Solutions to the System?

For Teachers 9th - 12th Standards
Solve systems of equation using graphing! In this algebra lesson, students use the TI to graph two lines and identify the number of solutions. They perform interactive graphing on the navigator.
Lesson Plan
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Transformations of Functions 1

For Teachers 9th - 12th Standards
Learn how to solve problems with transformation. Students perform transformation on their graphs. Then, they use the TI to create a visual of the graph as it is moving along the graph.
Lesson Plan
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Transformations of Functions 2

For Teachers 9th - 12th Standards
Solving problems on the TI graphing calculator can be quite easy. Students observe the properties of transformation of functions and create a formula for the transformation.
Lesson Plan
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Factoring Trinomials

For Teachers 9th - 12th Standards
Students factor trinomials. In this algebra lesson, students identify the different integers making up the trinomial and use the special pattern to factor them. They continue to model the equations and how to factor correctly.
Lesson Plan
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Zeros of a Quadratic Function

For Teachers 9th - 12th Standards
Factor quadratic equations by teaching your students how to identify the zeros of the quadratic function. They use the TI to see where the graph will intercept the coordinate plane.
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Area "FOILed" Again!

For Teachers 9th - 12th Standards
Learners perform factoring on the TI. In this algebra activity, students factor equations using the FOIL method. They use the TI navigator to show each step using a visual.
Lesson Plan
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Domain and Range of Exponential Functions

For Teachers 9th - 12th Standards
Have your class find the domain and range for each function. High schoolers graph equations using the TI. They find all the x and y values as they relate to the domain and range.
Lesson Plan
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Exponential Functions f(x) = abx

For Teachers 9th - 12th Standards
Students define exponential functions and graph the equation. In this algebra lesson, students discuss exponential growth and decay as they graph their functions. They differentiate between the base of growth and decay.
Lesson Plan
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Comparing Linear and Exponential Data

For Teachers 9th - 12th Standards
Students graph linear and exponential equations. In this algebra lesson, students differentiate between linear and exponential equations. They relate it to the real world.
Lesson Plan
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Spreading Doom

For Teachers 9th - 12th Standards
High schoolers explore the pattern created by a sequence or series. In this geometry lesson, students relate the spread of a virus to the growth of exponential functions. They collect data as they analyze the sequence created by the growth.
Lesson Plan
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Points, Lines, and Distance

For Teachers 9th - 12th Standards
Students calculate the distance between two points. In this geometry lesson plan, students define the meaning of the distance between parallel lines. They find the point of intersection of other lines.
Lesson Plan
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Creating Parallel Lines and Transversals

For Teachers 9th - 12th Standards
Have your class create parallel lines. Students will learn how to identify the different angles created by a parallel line cut by a transversal. Then, they identify and name similar and different angles.
Lesson Plan
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Triangle Sum Theorem

For Teachers 9th - 12th Standards
Teach your class how to solve problems using the triangle sum theorem. In this geometry lesson, students identify the missing angles in a triangle using the sum theorem. They graph triangles on the TI and moves the sides around to create...
Lesson Plan
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Special Segments in Triangles

For Teachers 9th - 12th Standards
Students identify important properties of triangles. For this geometry lesson, students differentiate between medians, bisectors and altitudes in a triangle. They identify the properties of these important segments.
Lesson Plan
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Congruent Triangles

For Teachers 9th - 12th Standards
Young scholars identify properties of triangles. In this geometry lesson, students differentiate between similar and congruent triangles. They use the umber of sides to help define the angle of the polygon.
Lesson Plan
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Angles and Similarity

For Teachers 9th - 12th Standards
Students identify triangles as similar or congruent. For this geometry lesson, students drag triangles around on the navigator to see the effect of different angles on the shape of the triangle. They discuss angle similarity and angle...
Lesson Plan
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Nested Similar Triangles

For Teachers 9th - 12th Standards
Nested triangles have been created so that they share a common vertex and vertex angle. Learners drag the endpoints of the side that is opposite the common angle to discover the conditions that make the nested triangles similar. When...
Lesson Plan
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Triangle Midsegment

For Teachers 9th - 12th Standards
Learn how to calculate the length and midsegments of triangles. Students differentiate between similar and congruent triangles. They create a spreadsheet with their findings.
Lesson Plan
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Scale Factor Area Perimeter

For Teachers 9th - 12th Standards
Mathematicians compare triangles at different scales. In this geometry lesson, students calculate the area and perimeter of triangles. They use the Ti to make observation of the change that takes place as the triangles are dilated.
Lesson Plan
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Ratios of Similar Figures

For Teachers 9th - 12th Standards
High schoolers identify the ratios of different triangles. In this geometry activity, students identify the similarity and differences of triangles. They use the navigator to move the sides of the triangle around.
Lesson Plan
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Pythagorean Relationships

For Teachers 9th - 12th Standards
Oh that Pythagorean Theorem is so useful. Learners engage in a 45 minute learning activity that requires them to solve for missing angles and sides of a right triangle. They'll use the Pythagorean Theorem to find the rations of sides and...
Lesson Plan
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Trigonometry Ratios

For Teachers 9th - 12th Standards
Students identify the different angles and sides of a triangle. In this geometry lesson, students identify the six trigonometric ratios. They graph the graph of each trig function and analyze it.
Lesson Plan
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Pythagorean Triples

For Teachers 9th - 12th Standards
Teach how to solve problems with right triangles. Students use the Pythagorean Theorem to identify missing sides and angles. Then, they will define and use the Pythagorean Triples to solve problems.