Forensics Case 9 - Killer Cup of Coffee: Using colorimetry to determine concentration of a poison
In this activity, students will use colorimetry to determine the concentration of a colored species in a solution and use a linear relationship to model Beer's law. They use Beer's law to determine the concentration of iron(III)thiocyanate (FeSCN2+) in an unknown solution.https://education.ti.com/en/activity/detail/forensics-case-9--killer-cup-of-coffee-using-colorimetry-to-determine-concentration-of-a-poison
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
To Infinity and Beyond!
Students' develop an understanding of what it means to take a limit at infinity. They learn to estimate limits from graphs and tables of values.https://education.ti.com/en/activity/detail/to-infinity-and-beyond
Rose Curve
This lesson involves clicking on sliders to observe the effect of changing the values of a and n in the equation r = asin(nθ).https://education.ti.com/en/activity/detail/rose-curve_1
Rose Curve- 84
In this activity, students will observe the effect of changing the values of a and n in the equation r = asin(nθ).https://education.ti.com/en/activity/detail/rose-curve
The Classic Box Problem - Exploration
This lesson takes a classic optimization problem and uses the dynamic linking capabilities to visualize the problem in multiple representations: diagramatic, geometric, graphic, numeric.https://education.ti.com/en/activity/detail/the-classic-box-problem--exploration
TI ExamCalc Suite for Digital Assessments | Texas Instruments
...ors made for state and national test providers to embed in online and digital assessments. Texas Instruments partners with high-stakes test providers to ensure students have access to their most familiar graphing, scientific or basic calculator on the biggest exams of the year ...https://education.ti.com/en/product-resources/examcalc-software
Tesselations
In this activity students will explore what causes some regular polygons to tesselate. They will explore sketches of regular polygons, measure the interior angles, and test to see whether the shapes tesselate.https://education.ti.com/en/activity/detail/tesselations
Segment Addition Postulate
The purpose of this handout is to provide students an opportunity to learn the keystrokes involved using the TI-Nspire and to verify the Segment Addition Postulate.https://education.ti.com/en/activity/detail/segment-addition-postulate
Triangle Inequality Theorem
Given the measures of any three segments, will you always be able to make a triangle?https://education.ti.com/en/activity/detail/triangle-inequality-theorem
Derivative Function
Transition from thinking of the derivative at a point to thinking of the derivative as a function.https://education.ti.com/en/activity/detail/derivative-function
Perpendicular Bisector
In this activity, students will explore the perpendicular bisector theorem and discover that if a point is on the perpendicular bisector of a segment, then the point is equidistant from the endpoints. This is an introductory activity, where students will need to know how to change between pages, ...https://education.ti.com/en/activity/detail/perpendicular-bisector_1
Definite Integral
Make visual connections between the definite integral of a function and the signed area between the function and the x-axis.https://education.ti.com/en/activity/detail/definite-integral
Transformational Puppet
This activity allows students to practice their skills of reflecting on a line and translating on a vector. The instructions don't ask for creativity but students who finish early can enjoy being creative with this activity.https://education.ti.com/en/activity/detail/transformational-puppet
3D Parametric
In this activity, students will review the concepts of parametric and polar equations. By using the 3D graphing capabilities of the TI-Nspire handheld, students will be able to extend these ideas to the area of solids of revolution, arc length and kinematics.https://education.ti.com/en/activity/detail/3d-parametric
Transformations: Rotations
Explore clockwise and counterclockwise rotations to discover the properties of the pre-image and image of a triangle.https://education.ti.com/en/activity/detail/transformations-rotations
Transformations: Rotations
Explore clockwise and counterclockwise rotations to discover the properties of the pre-image and image of a triangle.https://education.ti.com/en/activity/detail/transformations-rotations_1
Transformations: Translations
Investigate what a triangle will look like when it is translated horizontally or vertically.https://education.ti.com/en/activity/detail/transformations-translations
"Picking" Your Way Through Area Problems
Students will discover Pick's Theorem by finding the relationship between area and the number of boundary points and interior points of a lattice polygon.https://education.ti.com/en/activity/detail/picking-your-way-through-area-problems
Exploring Circle Equations
Students explore the equation of a circle. They will make the connection with the coordinates of the center of the circle and length of the radius to the corresponding parts of the equation. Then, students apply what they have learned to find the equation of the circles in several circular designs.https://education.ti.com/en/activity/detail/exploring-circle-equations_1
Points of Concurrency in Triangles
In this activity, students will use their Nspire handhelds to discover the different points of concurrencies in triangles. The students will take advantage of the dynamic capabilities to discover the circumcenter, incenter, and centroid of triangles.https://education.ti.com/en/activity/detail/points-of-concurrency-in-triangles
Exploring the Black Box of Quadrilaterals
The exploration will begin with students dragging the quadrilateral given to them about the screen. Initially, they will be asked to simply identify the quadrilateral's type by sight. This will require simply a visual recognition of the quadrilaterals parallelogram, rectangle, square, rhombus, ...https://education.ti.com/en/activity/detail/exploring-the-black-box-of-quadrilaterals
Exploring the Formula for Area of a Triangle: How was it Derived?
This activity is designed to be paperless. The entire lesson is written to be placed in the Nspire. Students will explore how the formula for area of a triangle works and why it works, they will also explore altitudes and medians of triangles.https://education.ti.com/en/activity/detail/exploring-the-formula-for-area-of-a-triangle-how-was-it-derived
Properties of Isosceles Triangles
In this activity and by using the Nspire handhelds, students will discover the different properties and attributes of Isosceles Triangles. The students will take advantage of the dynamic capabilities of this very unique handheld to explore the different attributes of the Isosceles Triangle.https://education.ti.com/en/activity/detail/properties-of-isosceles-triangles
Exploring Special Right Triangles
In this acvtivity, a 30-60-90 degree triangle is constructed for the student to explore. The student is asked to construct a 60 degree angle to give them an understanding of the construction. They will drag the vertex of the triangle and collect sample data. After they collect the data it is us...https://education.ti.com/en/activity/detail/exploring-special-right-triangles