Optimization - IB
Students learn how to use the second derivative test to find maxima and minima in word problems and solve optimization in parametric functions.https://education.ti.com/en/activity/detail/optimization_ns_ib
Solution 17170: Finding the Area Between Curves on the TI-83 Plus Family of Graphing Calculators.
...ire handheld in TI-84 Plus mode? To find the area between curves please see the below example: Example: Find the area of the region bounded by: f(x)=300x/(x2 + 625) g(x)=3cos(.1x) x=75 1) Press [WINDOW] and set the values as below: 2) Press [Y=] and make sure that no stat plots are highlighted...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/17170
Solution 34475: Finding the Area Between Curves on the TI-84 Plus Family of Graphing Calculators.
...er Edition graphing calculator? To find the area between curves please see the below example: Example: Find the area of the region bounded by: f(x)=300x/(x2 + 625) g(x)=3cos(.1x) x=75 Solution: 1) Press [WINDOW] and set the values as below: 2) Press [Y=] and make sure that no stat plots are hi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34475
Solution 34474: Calculating Monthly Payments on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...lus C Silver Edition calculator. Example: What would the monthly payment of a mortgage for $75,000 at 8.5 % interest be if it has to be paid off in 30 years (360 payments)? • Press [APPS] [1] [1] [ENTER]. • Press [3] [6] [0] [ENTER]. • Press [8] [ . ] [5] [ENTER]. • Press [7] [5] [0] [0] [0] [E...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34474
Solution 25790: Calculating Net Future Value (NFV) Using the BA II PLUS ™ Calculator.
...our NPV using the example below: With an interest rate of 20% calculate the NFV using the following cash flows: Initial Cash flow - $7000 Year 1: $3000 Year 2: $4000 Year 3: $5000 Year 4: $5000 Year 5: $5000 Year 6: $5000 1) Press the [CF] key to go to the Cash Flow Worksheet. 2) Press the [...https://education.ti.com/en/customer-support/knowledge-base/financial-calculators/product-usage/25790
3.1415… Ways to Celebrate Pi Day
...or a lot of) pi. Happy Pi Day! About the author: Ellen Fishpaw is the former Media Relations and Communications Manager for Texas Instruments Education Technology. Currently she works in Corporate Communications for TI. Follow her on Twitter @ellenfishpaw. --> Celebrate pi day using these ...https://education.ti.com/en/bulletinboard/2023/happypiday
Calculators and Order of Operations | Texas Instruments
...mode to classic mode. To unanimous cheers, the Law buys everyone a round of drinks. Today, math templates make one-line expressions such as 6/2(2+1) as antiquated as Western saloons. Although none of us have lived long enough to share memories of the Old West, perhaps some Boomer...https://education.ti.com/en/bulletinboard/2023/calculators-and-order-of-operations
Women Who Code: A TI Intern’s STEM Journey | Texas Instruments
...’s where Megi Shahollari now finds herself. But, her STEM journey began way before this. TI intern Megi Shahollari. Overcoming barriers As a third grader, Shahollari moved from Albania to the U.S. with her parents and younger brother after her family won a visa lottery. Whil...https://education.ti.com/en/bulletinboard/2023/women-who-code-ti-intern-stem-journey
Assessing Student Thinking | Texas Instruments
...ath the correct answer? Is the student’s thinking correct? Is he using an appropriate strategy, or is his thinking flawed in some way even though it yields the correct answer in certain situations? For example, let’s look at what happened in my classroom. Answer to a problem outlined...https://education.ti.com/en/bulletinboard/2023/assessing-student-thinking
Fan’s Favorite Features on TI-84 Plus CE | Texas Instruments
...ity on Twitter, Facebook and Instagram to share their favorite features of the TI-84 Plus CE graphing calculator. In general, teachers love the variety of built-in features that make graphing easy to do. Most importantly, they love the features that help students make deeper mathematical conne...https://education.ti.com/en/bulletinboard/2023/five-fan-favorite-features-ti84plus
Match Me!
In this activity, students move in a specific way in front of the motion detector to create motion plots that match a given Distance versus Time plot. They make connections between types of movements and characteristics of Distance-Time graphs. They learn to change the shape of the plot by adjust...https://education.ti.com/en/activity/detail/match-me
Match the Graph-84
Students walk in front of a calculator-based ranger CBR™ 2 and try to match a distance-time graph. They examine the rate of change, and analyze and interpret the graph of a function.https://education.ti.com/en/activity/detail/match-the-graph
Ratios of Right Triangles
In this activity, students will explore the ratios of right triangles. Students will discover that they can find the measure of the angles of a right triangle given the length of any two sides.https://education.ti.com/en/activity/detail/ratios-of-right-triangles_1
Exploring Circle Equations
Students explore the equation of a circle by connecting the coordinates of the center of the circle and the length of the radius to the corresponding parts of the equation.https://education.ti.com/en/activity/detail/exploring-circle-equations
Slippery Slope
In this activity, students will create Distance versus Time plots and calculate the slopes of the plots. They explore the mathematical concept of slopes and understand how slopes can be used to interpret how one physical quantity changes with respect to another.https://education.ti.com/en/activity/detail/slippery-slope
Beverage Tests
Students determine the pH of liquid samples. They get familiar with the pH scale, create graphs comparing pH levels, and compare data displayed as a scatter plot, a boxplot, a histogram, and a bar graph.https://education.ti.com/en/activity/detail/beverage-tests
Under Pressure: The Inverse Relationship between Pressure and Volume
In this activity, students' will use a pressure sensor to investigate the relationship between pressure and volume for an enclosed air sample, and fit an inverse function model to the pressure versus volume data.https://education.ti.com/en/activity/detail/under-pressure-the-inverse-relationship-between-pressure-and-volume
Vernier - How Low Can You Go?
In this activity, students will use an EasyTemp temperature probe to determine the normal melting temperature of ice. They will then study how the addition of salt to the melting ice affects its melting temperature. They will finally formulate a procedure for reaching the coldest melting temperat...https://education.ti.com/en/activity/detail/vernier--how-low-can-you-go
Forensics Case 11 - Ashes to Ashes: Using evaporation rate to identify an unknown liquid
In this activity, students understand that evaporation rate is a characteristic property of a liquid. Based on this fact, they identify the solution and the likely accelerant in a case of arson. They compare the evaporation rates of the accelerants found with the suspects with those near the crim...https://education.ti.com/en/activity/detail/forensics-case-11--ashes-to-ashes-using-evaporation-rate-to-identify-an-unknown-liquid
NASA - Weightless Wonder
In this activity, students explore quadratic functions through the real-world example of weightless flight and the gravitational pull of the earth on objects in orbit.https://education.ti.com/en/activity/detail/nasa--weightless-wonder
NASA - Space Shuttle Ascent: Mass vs. Time
In this activity, students explore the ascent phase which begins at liftoff and ends when the space shuttle reaches Earth's orbit. The space shuttle must accelerate from zero to approximately 7,850 meters per second (which is approximately 17,500 miles per hour) in eight and a half minutes to re...https://education.ti.com/en/activity/detail/nasa--space-shuttle-ascent-mass-vs--time
Forensics Case 5 - The Ink Is Still Wet: Using colorimetry to identify an unknown ink
In this activity, students identify the ink of a ransom note to match suspects. They identify an unknown ink by its light absorbance characteristics. The experiment set up used is to measure a solutions absorbance of different colors (wavelengths) of light.https://education.ti.com/en/activity/detail/forensics-case-5--the-ink-is-still-wet-using-colorimetry-to-identify-an-unknown-ink
Forensics Case 3 - Name That Tune: Matching musical tones through waveform analysis
In this activity, students analyze sound waves to calculate the frequency or pitch of musical notes. They use a Microphone to detect the waveform of a musical note. Students calculate the frequency of a musical note from the period of its waveform and use this knowledge to identify the musical n...https://education.ti.com/en/activity/detail/forensics-case-3--name-that-tune-matching-musical-tones-through-waveform-analysis
Forensics Case 12 - Hit and Run: Using information from an event data recorder to reconstruct an ac
Students learn how distance traveled, velocity, and acceleration are related to one another and how the appearance of an acceleration, velocity, or distance vs. time graph can be used to predict the appearance of the other graphs. They show how accident scenes can be recreated through an analysis...https://education.ti.com/en/activity/detail/forensics-case-12--hit-and-run-using-information-from-an-event-data-recorder-to-reconstruct-an-ac
Scientific Notation
This activity gives students an opportunity to see where large and small numbers are used and how scientific notation offers a convenient method of writing such numbers. This will be done both with and without technology.https://education.ti.com/en/activity/detail/scientific-notation-@-ns