Power Engineering
Shows how to handle phasor algebra, complex power, power factor corrections, and unbalanced three-phase calculations using the TI-89.https://education.ti.com/en/activity/detail/power-engineering
Steady-State Circuit Analysis and Filter Design
Shows how the TI-89 implements phasors to perform sinusoidal steady-state analysis. the focus in on how to enter and display complex numbers. This chapter also shows a typical steady-state application - how to use the Numeric Solver to find the required order of lowpass Butterworth and Chebyshe...https://education.ti.com/en/activity/detail/steadystate-circuit-analysis-and-filter-design
Two Hot, Two Cold
In this activity, students collect both Celsius and Fahrenheit temperature data for several water samples of varying temperatures. They use the data to find a conversion equation that will calculate the Fahrenheit temperature for any given Celsius temperature.https://education.ti.com/en/activity/detail/two-hot-two-cold
Predictable Patterns with Addition
Students learn to compare numbers. They generate patterns using repeated addends and different starting points.https://education.ti.com/en/activity/detail/predictable-patterns-with-addition
Related Procedures
Students will use the two constant operations to compare the results of different mathematical procedures and determine how they are related.https://education.ti.com/en/activity/detail/related-procedures
Number Cube Sums
Students explore experimental probability and patterns in fractions, decimals, and percents by rolling two number cubes and recording and analyzing the sums that come up.https://education.ti.com/en/activity/detail/number-cube-sums
NUMB3RS - Season 3 - "Democracy" - I Never Metadata I Didn't Like
In "Democracy", Charlie investigates the death of a friend. He finds columns of numbers on her computer, and because they are not labeled, he does not know what they mean. He explains, "Numbers tend to come in groups 'it's called metadata' information about data". In this activity, students will ...https://education.ti.com/en/activity/detail/numb3rs--season-3--democracy--i-never-metadata-i-didnt-like
Perimeter Patterns
Students investigate patterns in ordered pairs generated by constructing a sequence of similar shapes. They then use the patterns and the calculator to predict the perimeter of a specific shape in the sequence.https://education.ti.com/en/activity/detail/perimeter-patterns
Overdue Fines
Students learn to solve a real-world problem comparing overdue fines at different libraries.https://education.ti.com/en/activity/detail/overdue-fines
Weaving a Story
Students construct a paper weaving using a chart model. They will also learn skip counting with the TI-10 and recognize number patterns in art.https://education.ti.com/en/activity/detail/weaving-a-story
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
Swing Thing
In this activity, students will construct a pendulum and create a motion plot for a swinging pendulum. They will also identify characteristics that affect a pendulum's motion.https://education.ti.com/en/activity/detail/swing-thing
Forensics Case 10 - Dropped at the Scene: Blood spatter analysis
In this activity, students graph data to find quantitative relationships and create a standard reference curve for comparison with unknown data. They analyze blood spatters and examine r2 values for linear, natural logarithm, quadratic, and power curve fit. They find the curve that best fits the ...https://education.ti.com/en/activity/detail/forensics-case-10brdropped-at-the-scene-blood-spatter-analysis
Forensics Case 14—Hot Air, Cold Body: Using Newton's Law of Cooling to Determine Time of Death
Students create a temperature versus time graph for cooling and become familiar with Newton's Law of Cooling. They use the cooling-rate equation to estimate time of death of the victim.https://education.ti.com/en/activity/detail/forensics-case-14hot-air-cold-body-using-newtons-law-of-cooling-to-determine-time-of-death
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
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
Comparing Costs
Students will solve a problem using division with an integer quotient and remainder, division with the quotient in fraction form, and division with the quotient in decimal form and compare the results.https://education.ti.com/en/activity/detail/comparing-costs
Coast to Coast with Alice
Students learn to solve a real-world problem comparing automobile travel in the early 1900s and travel today. They follow the route taken by Alice in 1909 from New York City to San Francisco and determine how long the trip would take today.https://education.ti.com/en/activity/detail/coast-to-coast-with-alice
NUMB3RS - Season 3 - "Take Out" - Restaurant Ranking
In "Take Out", a series of restaurant invasions turn deadly. The FBI asks Charlie to help, so he develops a predictive model to try to identify the next restaurant that will be targeted. He says that 'it's a way of investigating a group of things -- in this case, restaurants -- and identifying th...https://education.ti.com/en/activity/detail/numb3rs--season-3--take-out--restaurant-ranking
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
NUMB3RS - Season 3 - "Take Out" - No Fly Zone
In "Take Out", a series of restaurant robberies prompts the FBI to ask Charlie to help predict the restaurant most likely to be targeted next. Charlie says that it can be thought of like a spider catching its prey in a web. Even the best constructed web can not catch all insects. There exist regi...https://education.ti.com/en/activity/detail/numb3rs--season-3--take-out--no-fly-zone
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
Mean Machine
Students construct a function machine from a small box. Students use the calculator to discover functions. They create their own one-step and two-step function rules and turn their calculators into a function machine.https://education.ti.com/en/activity/detail/mean-machine
Fraction Forms
Students will compare the results of using division to create fractions under the different mode settings for fraction display and make generalizations from the patterns they observe.https://education.ti.com/en/activity/detail/fraction-forms
NUMB3RS - Season 3 - "Killer Chat" - The Perfect House
The FBI found three bodies in different unoccupied houses, all for sale. Because the victims are completely unrelated, Charlie decides that profiling the houses might reveal a distinct pattern to find out where the killer will strike next. By using a Multi-Attribute Compositional Model, the house...https://education.ti.com/en/activity/detail/numb3rs--season-3--killer-chat--the-perfect-house