Texas Instruments
Texas Instruments: Cubic, Zeros and Tangents
In this Computer Algebra System (CAS) activity, students use CAS to prove a theorem regarding cubic functions, their zeros [roots], and tangents to the curves.
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Texas Instruments: Piecewise Functions
In this activity, students investigate piecewise functions for continuity and differentiability.
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Texas Instruments: Just How Many Are There?
This activity introduces students to the concept of using proportional reasoning to estimate the size of an animal population.
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Texas Instruments: The Shrinking Dollar
In this activity, students examine the long term effects of inflation. They compute the increase in cost price due to compounding of inflation rates every year. They recognize that this increase in cost price is exponential.
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Texas Instruments: Linear Functions: Slope Intercept Form
Students learn to develop the equation of a line from its graph. They also learn to write the equation of a line from the slope and the y-intercept, a point and the slope, and two points. They also investigate slopes of lines that are...
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Texas Instruments: Finding the Roots of a Cubic Equation Math History
In this Derive activity, students understand how the software solves cubic equations and relate it to contributions made by del Ferro, Tartaglia, and Cardan in finding the method of solving cubic equations.
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Texas Instruments: Temperature Conversions
In this activity you will: review the different temperature scales and use the List Editor to convert from one temperature scale to another.
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Texas Instruments: Math Today Wildfire Deaths
In this activity, students will be asked to use the "Wildfire deaths" data to determine a linear model. They will examine the affect an outlier has on the model and compare methods to determine the best model.
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Texas Instruments: Chi Square Test for Independence, and Homogeneity
This set contains questions about statistics regarding the chi-square tests for independence and for homogeneity of proportions. The student learns to develop hypotheses, find the test statistic, and reach a conclusion.
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Texas Instruments: Use Random Numbers
Students use a graphing calculator to find experimental probabilities by generating random numbers, using the random integer function. This Technology Lab accompanies Lesson 10-5 from the 2007 Holt, Rinehart and Winston Algebra 1 textbook.
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Texas Instruments: Calculator Help
A list of the most frequently asked questions by new users, teachers and students. Originally authored to help teachers who weren't familiar with the calculator to enable them to quickly help a student who was "stuck".
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Texas Instruments: The Standard Form of a Quadratic Equation
In this activity, students explore the standard form of a quadratic equation, y = ax 2 + bx + c. They explore how the x-intercepts (zeros), y-intercept, and vertex are related to the graph of the standard form of a quadratic function.
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Texas Instruments: Let's Do Summagic
Students learn to quickly add lists of numbers by adding like terms and using the distributive property.
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Texas Instruments: Significant Figures/accuracy
This StudyCards stack enables students to review definitions and the rules for rounding numbers and using significant figures.
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Texas Instruments: Geoboard and Area
In this activity, students find areas of figures which are displayed on a grid. They also use the Geoboard application to find areas of figures they draw.
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Texas Instruments: Numb3 Rs: Telling Time With the Sun
Based off of the hit television show NUMB3RS, this activity is a very basic introduction to the tangent function and it's applications (such as measuring distances). Through this lesson, students will learn the definition of the tangent...
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Texas Instruments: Specific Heat of Metals
In this activity, students' will use a Temperature Sensor to understand how heat is transferred between substances and the concept of thermal equilibrium. They learn about specific heat and how it can be used to identify an unknown sample.
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Texas Instruments: Eileen's Work Week: Solving Systems of Inequalities
Studenst solve a real-life application problem of systems of inequalities.
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Texas Instruments: Depreciation
In this activity, students perform computations involving depreciation of assets. They will study methods such as straight line depreciation, sum of the digits method and double declining balance depreciation.
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Texas Instruments: Exploring the Vertex Form of the Quadratic Function
Students explore the vertex form of the parabola and discover how the vertex, direction, and width of the parabola can be determined by studying the parameters. They predict the location of the vertex of a parabola expressed in vertex form.
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Texas Instruments: Energy From Foods: Part I
In this activity, students' will use fruits and vegetables to make an electrochemical cell and develop an understanding of how an electrochemical cell works. They will use a voltage sensor to determine which fruits and vegetables produce...
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Texas Instruments: What Is a Kanban?
In this activity, students use the CellSheet Application to understand how to track inventory and predict future trends based on average daily use. They will collect data, analyze it and make predictions. They also learn to use linear...
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Texas Instruments: Measurement and Science
This activity assesses students' knowledge and understanding of measurement and science.
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Texas Instruments: Sums of Powers
An investigation of the sums of powers and their derivatives which leads to a discussion of Jacob Bernoullis work.