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
Buy A Word
Students complete multi-step task/problem solve; use decimals, FIX key, place value keys; see that fractions/decimals represent a part of a whole in money; organize table/record; put monetary value on letters and find sum of those letters.https://education.ti.com/en/activity/detail/buy-a-word
An Average Lunch?
Students explore the meaning of the average (mean) value for a set of data.https://education.ti.com/en/activity/detail/an-average-lunch
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
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
NUMB3RS - Season 3 - "Spree, Part II - Daughters" - Galton Board
In this activity, students will study Galton boards. A Galton board is a vertical or inclined board with a series of staggered pins arranged in a triangle. As balls are dropped from the top of the board, they strike the pins and will fall either to the left or to the right and eventually land in ...https://education.ti.com/en/activity/detail/numb3rs--season-3--spree-part-ii--daughters--galton-board
Exploring Hurricane Strength
In the activity, we explore multiple regression equations among Saffir-Simpson Scale, Pressure, Wind Speed, and Storm Surge of hurricanes. We relate our models to Hurricane Katrina, Gustav, and Ike.https://education.ti.com/en/activity/detail/exploring-hurricane-strength
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
Data Analysis and Probability
Students explore the basics in data analysis and probability.https://education.ti.com/en/activity/detail/data-analysis-and-probability
Number and Operation Sense: Whole Numbers
Students attain a basic understanding of numbers and number operations, developing number sense, and gaining fluency in arithmetic computation. They also learn to use the calculator to explore the mathematical principles behind the standard multiplication algorithm for multidigit numbers.https://education.ti.com/en/activity/detail/number-and-operation-sense-whole-numbers
Names for One-Half
Students use their understanding of integers, fractions, decimals, and operations to find mathematical expressions that equal one-half.https://education.ti.com/en/activity/detail/names-for-onehalf
Bats Triangular
Students use manipulatives to construct a pyramid. The manipulative pyramid then becomes the basis students use to construct a pictorial representation of a pyramid. The TI-10 is used to show symbolic representation of students actions and also aids students in viewing the developing pattern.https://education.ti.com/en/activity/detail/bats-triangular
Area Patterns
Students investigate patterns in ordered pairs generated by constructing a sequence of similar shapes. They will then use the patterns and the calculator to predict the number of blocks it will take to build a specific shape in the sequence.https://education.ti.com/en/activity/detail/area-patterns
Electromagnetics
Describes how to use the TI-89 to solve Laplace's equation for two-dimensional electrostatic problems. The separation of variables method provides exact solutions but is restricted to specific geometries. The relaxation method is applicable to any geometry, but it provides only an approximate s...https://education.ti.com/en/activity/detail/electromagnetics
Map It!
Students explore map making. Students read a story, identify the locations of different places in the story, decide the distance between each set of places in the story, and create a map with a legend.https://education.ti.com/en/activity/detail/map-it
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
Manipulating Lab Data: The Diode
Introduces the Shockley diode equation, which gives the voltage-current characteristics of a diode. The equation is plotted and compared to actual diode data taken in a laboratory. The method of importing data to the TI-89 is shown, followed by instructions on how to manipulate the data to prep...https://education.ti.com/en/activity/detail/manipulating-lab-data--the-diode
Laplace Analysis: The s-domain
Demonstrates the utility of symbolic algebra by using the Laplace transform to solve a second-order circuit. The method requires that the circuit be converted from the time-domain to the s-domain and then solved for V(s). The voltage, v(t), of a sourceless, parallel, RLC circuit with initial co...https://education.ti.com/en/activity/detail/laplace-analysis--the-sdomain
How do You Measure Up? (with the TI-10)
Students measure weight, height, and length with the help of a balance, scales, rulers, yardstick, and tape measures. They use their TI-10 to find proportions and to round off answers to whole numbers.https://education.ti.com/en/activity/detail/how-do-you-measure-up-with-the-ti10
Hat Trick
Students learn to solve a real-world problem in economics. Students get to understand how surveys often use a sample of people rather than all of the people involved. They also learn how to make decisions based on the results of a sample survey.https://education.ti.com/en/activity/detail/hat-trick
Probability as Relative Frequency
In this activity, students use simulation to justify the concept of the Law of Large Numbers. They understand that as the sample size increases, the relative frequency of which an event occurs approaches the probability of that event happening. Students investigate the binomial and geometric prob...https://education.ti.com/en/activity/detail/probability-as-relative-frequency
Confidence Intervals
Students understand the confidence intervals for a proportion and for a mean. They also examine the confidence intervals for the difference between two means, and for the difference between two proportions.https://education.ti.com/en/activity/detail/confidence-intervals
Comparing Distributions of Univariate Data
Students compare univariate data distributions using statistical concepts like boxplots, stemplots, and histograms.https://education.ti.com/en/activity/detail/comparing-distributions-of-univariate-data
Describing Categorical Data - Advanced Placement
Students categorize data using tables and bar charts. They also determine relative frequencies.https://education.ti.com/en/activity/detail/describing-categorical-data--advanced-placement