Earth Day Engineering | Texas Instruments – U.S.
...s can lead to student action of campus-wide, or even community-wide, trash cleanups. Items collected during a trash cleanup. Here is a great activity to try with your students: #1. Mr. Trash Wheel Project As a former classroom teacher, I found that using issues my students can vis...https://education.ti.com/en/bulletinboard/2023/earthday_engineering
Discovering the Triangle Inequality Theorem with the TI-Nspire
Students progress through a series of investigations regarding the lengths of the sides of a triangle. This activity, for discovering the Triangle Inequality Theorem, can be used as either a teacher demonstration or as a classroom activity.https://education.ti.com/en/activity/detail/discovering-the-triangle-inequality-theorem-with-the-tinspire
Investigating the Angles of a Triangle
The following will find the sum of the interior angles of a triangle and the sum of the remote interior angles of a triangle. Students can then change the type of triangle. The student will see that the sum of the interior angles is always 180 degrees. Also, the student will see that the sum of t...https://education.ti.com/en/activity/detail/investigating-the-angles-of-a-triangle
Chirp, Jump, Scatter
In this activity, students will find a best fit line for data graphed as scatter plots. Applications of linear relationships provide motivation for students and improve their skills and understanding of finding the equation of a line from two known points. Movable lines make this activity approac...https://education.ti.com/en/activity/detail/chirp-jump-scatter_1
Square it Up!
Students investigate the method of least squares by adding the squares to a scatter plot and moving a line to find the minimum sum. Then they compare their line to the built-in linear regression model.https://education.ti.com/en/activity/detail/square-it-up
Chi-Square Distributions
Students compare the Chi-Square distribution to the standard normal distribution and determine how the Chi-Square distribution changes as they increase the degrees of freedom.https://education.ti.com/en/activity/detail/chisquare-distributions_1
Half-Life
Students will explore exponential decay through an experiment and use the gathered data to generate an exponential regression equation. Students will then repeat the process with a data set and forecast future results.https://education.ti.com/en/activity/detail/halflife
Graphs of Polynomial Functions
The activity begins by having students compare functions to introduce the concept of end behavior. Then they graph cubics and quartics, noting the respective end behaviors for positive and negative leading coefficients. Finally, they compare quadratics to quartics and cubics to quintics to discov...https://education.ti.com/en/activity/detail/graphs-of-polynomial-functions
Influencing Regression
This lesson involves a least-squares regression line fit to a set of nine values.https://education.ti.com/en/activity/detail/influencing-regression
Influence and Outliers
In this activity, students will identify outliers that are influential with respect to the least-squares regression line. Students will describe the role of the location of a point relative to the other data in determining whether that point has influence on the least-squares regression line.https://education.ti.com/en/activity/detail/influence-and-outliers
One- and Two-Variable Statistics--Review
In this activity, students will review the concepts that they have learned thus far in statistics. The first part of the activity includes one-variable topics such as graphing quantitative variables, calculating measures of central tendency and spread, and making comparisons. The second part incl...https://education.ti.com/en/activity/detail/one-and-twovariable-statisticsreview_1
Linear Equation Games: Activity #7 Blackblobs
This is the Nspire version of the old DOS program 'Green Globs'. Students are given random points in which to find their own equations. The more points they go through with one line, the better their score.https://education.ti.com/en/activity/detail/linear-equation-games-activity-7-blackblobs
How Cool It Is
This lesson involves creating an exponential regression equation to model the temperature of water as it cools.https://education.ti.com/en/activity/detail/how-cool-it-is_2
Hose Problem
Investigating the behaviour of water jets from a hose. Suitable for Year 10 extension or Year 11 students. Graphing parabolas, features of quadratic functions, regression lines. Using TI-Nspire.https://education.ti.com/en/activity/detail/hose-problem
FormulaPro
...ses a Equation Solving part (700+ equations grouped into 16 subjects/categories) and a Reference part. Made entirely in Lua, it provides the user a great equations-database browsing experience and an easy-to-use formula solver and reference part to quickly access "common" knowledge about scienc...https://education.ti.com/en/activity/detail/formulapro
Quadratic Equations with the CBL 2
Students will generate parabolas using the motion sensor. They will then determine the vertex form of the equation and compare it to the regression equation from the calculator.https://education.ti.com/en/activity/detail/quadratic-equations-with-the-cbl-2
Graphing Systems at the Races
This activity involves solving a system of equations created from a problem I wrote about a greyhound racing to catch a toy rabbit on a mechanical arm. The ending activity involves solving a similar system, only involving another problem I wrote based on the end of a NASCAR race.https://education.ti.com/en/activity/detail/graphing-systems-at-the-races
Fitting an Equation to Bivariate Data
In this activity, students fit a linear least-square regression line to a population data. They explore various functions to model the given data.https://education.ti.com/en/activity/detail/fitting-an-equation-to-bivariate-data
Dynamic Geometry: Basic Constructions
Students use the Cabri™ Jr. application to draw triangles and construct perpendicular bisectors on the sides of a triangles. They study the properties of a triangle and understand how the measures of angles of a triangle is always 180 degrees.https://education.ti.com/en/activity/detail/dynamic-geometry-basic-constructions
Dynamic Geometry: Program Basics
Students use the Cabri™ Jr. application to draw triangles and explore properties of perpendicular bisectors of the three sides of different types of the triangles. They study the measures of angles of a triangle and understand that the sum of the measures of angles of a triangle is always 180 deg...https://education.ti.com/en/activity/detail/dynamic-geometry-program-basics
Run me a Linear Regression
This activity is designed to give students the opportunity to estimate the least squares line given a set of points. The students are then able to check their "best fit" line by running a linear regression using the graphing calculator.https://education.ti.com/en/activity/detail/run-me-a-linear-regression
NUMB3RS - Season 3 - "Contenders" - Dialing Ben
In "Contenders," David's friend, Ben Ellis, is a suspect of two murders. The FBI can not find Ben when he stops using his cell phone. Charlie explains that Ben may be using a friend's cell phone and might be identified by his unique calling pattern, so he compares the cell phone records of Ben an...https://education.ti.com/en/activity/detail/numb3rs--season-3--contenders--dialing-ben
What is Linear Regression?
In this activity, students will explore finding the line of best fit based on the sum of the squares of the residuals and determine what the linear regression line is.https://education.ti.com/en/activity/detail/what-is-linear-regression
Chi-Squared Tests
In this activity, students will look at a problem situation that involves categorical data and will determine which is the appropriate chi-square test to use: the chi-squared goodness of fit or the chi-squared two-way test.https://education.ti.com/en/activity/detail/chisquare-distributions
Finding the Maximum Product
In this activity, students use the CellSheet™ Application to organize data. They solve a problem of finding two positive integers equal to or greater than zero with a given sum and the maximum product.https://education.ti.com/en/activity/detail/finding-the-maximum-product