The River of Life
In this activity, students compare human body mass with blood volume. They graph the data and build a regression model. They estimate their own blood volume and also predict volumes of blood for other animals.https://education.ti.com/en/activity/detail/the-river-of-life_1
Something's Fishy
In this activity, students examine the size, mass, and growth rates for three species of fish. They interpolate and extrapolate from best-fit models. Students compare the growth rates of endothermic and exothermic animals.https://education.ti.com/en/activity/detail/somethings-fishy
Call it ...Dominant or Recessive
In this activity, students simulate a Punnett square of a cross between two heterozygous individuals and produce a histogram. They compare actual and expected results of genetic crosses.https://education.ti.com/en/activity/detail/call-it----dominant-or-recessive
Growing Babies
In this activity, students observe and graph data about human fetal growth rates. Students build a regression model based on the data and compare values with those of other mammals. They also compare the data to non-mammal species.https://education.ti.com/en/activity/detail/growing-babies
CellSheet™ App - Chemistry & Biology Examples
Students use the CellSheet App to enter data and text in cells, create cell formulas and use built-in functions. Students explore the utility of this App in science classes, such as Chemistry and Biology. They calculate the molarity of a solution and compare the gestation periods for different ma...https://education.ti.com/en/activity/detail/cellsheet-app--chemistry--biology-examples
Vernier - Bungee Jump Accelerations
Students use an Accelerometer to analyze the motion of a bungee jumper and determine a point where there is maximum and minimum acceleration in the course of the motion. They also compare the experimental data with an actual bungee jump.https://education.ti.com/en/activity/detail/vernier--bungee-jump-accelerations
Making Cents of Density
In this activity, students will measure the mass and volume of several collections of a coin type and enter the data into their handhelds and explore for patterns. Students will also make a plot of mass vs. volume and create a mathematical model that demonstrates the relationship between mass and...https://education.ti.com/en/activity/detail/making-cents-of-density
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
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
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
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
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
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
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
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
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
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