Silenced Songbirds
Students calculate the probable number of Golden-Cheeked Warblers present in a particular area. Students prepare a marked map, calculate the number of square miles in the marked area, and estimate the number of birds that live in the area.https://education.ti.com/en/activity/detail/silenced-songbirds
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
Tiles in a Bag
Students explore probability and patterns in fractions, decimals, and percents by drawing tiles out of a bag.https://education.ti.com/en/activity/detail/tiles-in-a-bag
Random Remainders
Students explore the use of a calculator to investigate the relationship between divisors and remainders in whole-number division.https://education.ti.com/en/activity/detail/random-remainders
Remainder Rules
Students use calculators, whole-number division, multiplication, addition, and subtraction to generate mathematical expressions that describe the relationships between dividends, divisors, quotients, and remainders.https://education.ti.com/en/activity/detail/remainder-rules
Ratios in Regular Polygons
Students use linear measurement and calculators to investigate the ratios between corresponding parts of regular polygons.https://education.ti.com/en/activity/detail/ratios-in-regular-polygons
Only Half There?
Students use measuring tools and calculators to make half-sized drawings of themselves.https://education.ti.com/en/activity/detail/only-half-there
The Number of Years
Students' will chart the various ages of the other students in their classroom then the students will multiply the ages by 2 using a lower level calculator, they will then add up the total ages using the same calculator - they can now divide the class into two groups (boys/girls) and see which gr...https://education.ti.com/en/activity/detail/the-number-of-years
Spin Me Along
Students explore probability and patterns in fractions, decimals, and percents by spinning three spinners and recording and analyzing the results.https://education.ti.com/en/activity/detail/spin-me-along
Bones Bones Them There Bones
Student use the theory behind carbon dating to determine the age of bones discovered in a garden. The beta decay of C-14 to nitrogen is the basis for this exploration.https://education.ti.com/en/activity/detail/bones-bones-them-there-bones
Studying Wave Phenomena with "WaveSim"
This is a program allowing teacher/student to interactively and graphically investigate a variety of wave concepts commonly studied in physics: traveling waves, standing waves, beats, Doppler effect, two-point source interference, Fourier wave forms, reflection and refraction, amplitude modulatio...https://education.ti.com/en/activity/detail/studying-wave-phenomena-with-wavesim
Celsius and Fahrenheit Number Line
A number line comparing temperatures in Celsius and Fahrenheit.https://education.ti.com/en/activity/detail/celsius-and-fahrenheit-number-line
Forensics Case 13 - Life in the Fast Lane: Using skid marks to determine vehicle speed
Students determine the coefficient of friction between a vehicle and a road surface. They use the length of the skidding distance to determine the speed of a vehicle before its brakes were applied. Students convert between SI units and Imperial units and rearrange equations to solve for different...https://education.ti.com/en/activity/detail/forensics-case-13brlife-in-the-fast-lane-using-skid-marks-to-determine-vehicle-speed
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
Forensics Case 4 - Flipping Coins: Density as a characteristic property
In this activity, students identify counterfeit coins based on the characteristic property of density. They model data using a linear equation, interpret the slope and intercept values from a linear model, and identify a characteristic property of a substance.https://education.ti.com/en/activity/detail/forensics-case-4brflipping-coins-density-as-a-characteristic-property
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
Graphing Motion: Instantaneous and Average Speed (Follow up activity: Scalar and Vector Quantities)
Students are introduced to the calculator as a graphing tool and distinguish between average speed and instantaneous speed.https://education.ti.com/en/activity/detail/graphing-motion-instantaneous-and-average-speed-follow-up-activity-scalar-and-vector-quantities
Who Started It All? The Spread Of Disease
Students predict the spread of disease to be exponential. They then do a hands on "sharing of bodily fluids" and see the actual data and compare these results to the projected model. You actually see the number of infected after each sharing to see the shift of the model easier. Written to be c...https://education.ti.com/en/activity/detail/who-started-it-all--the-spread-of-disease
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
Names for 100
Students will use the calculator to carry out operations of addition, subtraction, division, and multiplication on integers, fractions, and decimals to find mathematical expressions that equal 100.https://education.ti.com/en/activity/detail/names-for-100
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
Busy Hands
Students will make their own finger signs for the numbers from zero to ten. Students will relate each finger sign to its numeral and then explore number sentences using the calculator.https://education.ti.com/en/activity/detail/busy-hands
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
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