Curated OER
FCAT Real World Solving Linear Equations/Systems
Pupils relate real life situation to the equations, graphs and inequalities. They model real life scenarios using matrices and draw conclusions from their data. This lesson plan is aligned with FCAT.
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NUMB3RS Activity: Settling The Score
Learn how to investigate matrix multiplication. In this secondary mathematics lesson, learners examine matrix multiplication in the context of a Homes-Rahe stress test which is similar to the process used to score figure...
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Estimating with Rational Numbers
Middle schoolers explore the concept of rounding. In this rounding lesson plan, students round fractions and mixed numbers. Middle schoolers estimate the sums, differences, products, and quotients of rounded fractions and mixed numbers.
Texas Instruments
Traditional Copy an Angle - Compass Construction Using Cabri Jr.
Learnerss explore geometric construction in this geometry lesson. They will investigate the traditional construction for copying an angle using Cabri Jr. in lieu of paper and pencil construction. The lesson encourages young scholars to...
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Count Them Up
Pupils calculate area using the geoboard application on their calculators. They use a TI-73 calculator to find the areas of the shapes provided in the accompanying worksheet. Screen shots and instructions for creating shapes in the...
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Graphing Rational Functions
Learners complete an activity, included, of the information on asymptotes and intercepts. They also solve and complete eight questions on graphing rational functions, file included. Finally, pupils summarize vertical asymptotes,...
Texas Instruments
Quartic Regions
Young scholars explore quartic functions in this calculus lesson. They investigate an application of derivatives and definite integrals, then explore the question of which of the "three bumps" of a quartic is the largest.
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Fraction Decimal Challenge
Pupils explore the concept of fractions and decimals as they try to find as many fractions as possible that are equivalent to .25. Learners use their calculator to take screen shots and send them to the teacher via Ti-Navigator. They...
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Angling for Distance
Explore the concept of projectile distance through determining the angle that will provide the maximum distance of a launched projectile. Young scholars launch baseballs on a football field and video tape the path of the ball.
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Curve Fitting
Pupils investigate linear, quadratic, and exponential regressions. They plot sets of data points, determine the regression equation that best fits the data and lastly investigate the coefficient of determination.
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Graphing Calculator Investigation Graphs of Relations
Learners investigate relations in this algebra lesson. They graph the set of ordered pairs that determine a relation. Using a TI-83 Plus, your learners will enter the coordinates in a list, create a scatter plot, and manipulate the...
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You Must Still Think Yourself, CAS Can Only Help
Have the class learn about and make conjectures about a line intersecting a cubic. In this making conjectures about a line intersecting a cubic lesson, young scholars draw lines that intersect a cubic at three different...
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Cabri Jr. Inscribed Angles
Young scholars construct inscribed angles using Cabri Jr. They draw a circle on their graphing calculator, then construct an inscribed angle and measure its angle measures. Learners drag the inscribed angle around the circle. They make...
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To the Moon
Pupils explore circumference manipulating Moon Pie wrapper. In this geometry lesson plan, they manipulate snack wrappers to find circumference, diameter, radius and distance.
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What is my Angle? App
Learners estimate angle measures in this this estimating angle measures lesson. They use an application on their graphing calculator that shows various settings involving angles and then they estimate the angle measure of a clock's...
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Let the River Run
Pupils examine deposits found in a river in this science lesson. They collect data of sediment deposit found in the Mississippi river, then graph and analyze their data using the TI.
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Shedding Light on the Weather with Relative Humidity
Learners study weather using a graphing calculator in this lesson. They collect data for temperature and relative humidity for every hour over a day from the newspaper, then place the data in their handheld calculator and examine it for...
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Health of Aquatic Life a Real Problem
Learners explore the health of aquatic life in this science lesson plan They measure and track the oxygen level in the water to determine the health of the aquatic life. They collect this data using the TI explorer to graph and analyze...
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Corn-Crop is a Bin-Buster
Learners calculate percent change and create lists of data. They enter the corresponding bushels of corn measured in billions to their list and display, then convert the acres into scientific notation and use the value on the home screen...
Texas Instruments
Land Erosion - Running Off With Soil
Learners evaluate the relationship between rainfall and runoff of a small island for one year. In this rainfall vs. runoff lesson, students analyze the relationship between the rainfall and the runoff on Barro Colorado Island over a...
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Getting Started with the TI-Navigator™ System: What's My Line?
Learners analyze linear functions in this algebra lesson plan. They explore the meaning of slope and the slope-intercept form of a line as they investigate the effect changing parameters on the graph of a linear function.
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Complex Numbers
Students examine complex numbers. In this Algebra II lesson, students investigate two programs that involve complex numbers: the MANDELER Program and SYNDIV program.
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Show Me the Money
Pupils investigate financial applications of mathematics in this mathematics instructional activity. They will investigate equations that represent a company’s income, expense, and profit functions and use those equations to identify...
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Investigation the Derivatives of Some Common Functions
Students investigate the derivative of a function. In this calculus lesson, students explore the derivatives of sine, cosine, natural log, and natural exponential functions. The lesson promotes the idea of the derivative as a...