The Mysterious Constant
Students investigate a pattern using the constant function on the calculator, record the ordered pairs in a table, describe the pattern, and predict what will come next.https://education.ti.com/en/activity/detail/the-mysterious-constant
Toys on a slope
Participants analyze data from toys rolling down a slope. Velocity is determined using lists and graphs.https://education.ti.com/en/activity/detail/toys-on-a-slope
Recycled Sounds
Students create a musical instrument from empty 1-liter bottles and use fractional equivalents to tune the bottles.https://education.ti.com/en/activity/detail/recycled-sounds
No More Peas, Please!
Students explore the use of nonstandard units of volume and calculators to estimate the number of peas it would take to fill a classroom.https://education.ti.com/en/activity/detail/no-more-peas-please
Constant Weight Gain
Students find information in different types of graphs, organize information to construct graphs, and make predictions based on graphs. They also learn to use the calculator to perform constant operations of addition and subtraction.https://education.ti.com/en/activity/detail/constant-weight-gain
Transient Circuit Analysis: Symbolic
Describes how to use the differential equation solver, deSolve(), to solve first- and second-order circuits containing resistors, capacitors, inductors, DC sources, and exponential sources. It also shows how to graph the solutions and find the zero crossing and peak values.https://education.ti.com/en/activity/detail/transient-circuit-analysis--symbolic
Transmission Lines
Describes how to calculate the characteristic impedance and phase velocity on transmission lines. Steady state transmission line behavior and simple matching concepts are included also. The functions reflcoef(), lineleng(), zin(), yin() and vswr() are created.https://education.ti.com/en/activity/detail/transmission-lines
Vector Calculus
Describes how to use the TI-89 for differential and integral calculus. The differential operations illustrated include gradient, divergence, curl, and Laplacian. Line and surface integrals also are included. The functions cordchk(), grad(), div(), curl() and lap() are created in this chapter, ...https://education.ti.com/en/activity/detail/vector-calculus
Convolution
Shows the convolution of two functions. To simplify the details, the functions are finite, piecewise, and continous.https://education.ti.com/en/activity/detail/convolution
DC Circuit Analysis
Shows three examples of the use of nodal analysis to solve linear circuits. The first two examples use the solve() command to solve a set of linear equations for circuit. The third example shows how to write the equations in matrix form and use simult() to solve them.https://education.ti.com/en/activity/detail/dc-circuit-analysis
Fourier Series
Shows how to compute and graph the complex Fourier Series coefficients for a square wave.https://education.ti.com/en/activity/detail/fourier-series
Antennas
Describes how to perform basic antenna and radiation calculations with the TI-89. Antenna patterns, radiation resistance, radiation integrals, and phased array patterns are included.https://education.ti.com/en/activity/detail/antennas
Lifting a Lion
In this activity, students will practice solving a real-world problem. Using a toy lion and a lever, students first discover how much work is needed to raise a toy lion. They will then use proportions to determine the force needed to lift a real lion.https://education.ti.com/en/activity/detail/lifting-a-lion
It's the Place that Counts
Students learn to add using place-value material and a calculator. They make connections between base-ten numerals and the quantities they represent.https://education.ti.com/en/activity/detail/its-the-place-that-counts
Recurring Remainders
Students will use the calculator to investigate the patterns formed by remainders in whole-number division.https://education.ti.com/en/activity/detail/recurring-remainders
Transient Circuit Analysis: Numeric
Describes how the differential equation plotter is used to solve the second-order circuit presented in Chapter 2 (Topic 8) by expressing it as a system of first-order differential equations.https://education.ti.com/en/activity/detail/transient-circuit-analysis--numeric
Amazing Appetites
Students learn to count and solve original word problems. They learn to add by combining sets and subtract when removing the set. They use manipulatives to reflect the reasoning used in problem solving.https://education.ti.com/en/activity/detail/amazing-appetites
a-MAZE-ing Secret Paths
Students learn to add and subtract numbers using the calculator. They investigate patterns in place value and explore relationships between numbers on the hundred chart.https://education.ti.com/en/activity/detail/amazeing-secret-paths
Vectors
Describes how to use the TI-89 for coordinate system transformations, vector algebra, and vector component transformations. The functions rec2cyl(), cyl2rec(), rec2sph(), and sph2rec() are created in this chapter for vector component transformations and are used in Chapters 10 and 11.https://education.ti.com/en/activity/detail/vectors
Action-Packed Stories
Students learn to use whole numbers and the operations of addition and subtraction. They choose a number and create a story using the number selected and illustrate the number story. They represent the action in the story on the calculator.https://education.ti.com/en/activity/detail/actionpacked-stories
Who's in the House
Students construct a model of a house, drawing pictures of the people and pets in the house. Students use skip counting strategies to find possible combinations of people and pets that live in their classmates houses with the help of pictures and TI-10.https://education.ti.com/en/activity/detail/whos-in-the-house
Financial Calculations
Describes how to use the TI-89 to calculate interest, present worth, loan repayments and so forth. These methods utilize the time-value-of-money.https://education.ti.com/en/activity/detail/financial-calculations
Making Picture Graphs
Students learn to make picture graphs with symbols that represent more than one piece of data.https://education.ti.com/en/activity/detail/making-picture-graphs
Football Scores
Students will determine the possible combinations of scoring events in a football game to reach a specific end score.https://education.ti.com/en/activity/detail/football-scores
Creating Word Problems
Students write word problems based on the whole numbers generated by the calculator. They decide on an operation to solve the problems. Finally, they analyze the problems to determine the problem characteristics when using operations on whole numbers.https://education.ti.com/en/activity/detail/creating-word-problems