Got the sum of remote interior angles equal to the measure of the exterior angle? with Cabri Jr.
Draw a triangle with exterior angle. Measure the exterior angle and each remote interior angle. Use the Alpha hand to check that the sum of the remote interior angles is always equal to the exterior angle.https://education.ti.com/en/activity/detail/got-the-sum-of-remote-interior-angles-equal-to-the-measure-of-the-exterior-angle---with-cabri-jr
Calculating Unit Prices
In this activity, students will compare ratios with different denominators, and then with common denominators. They will also find unit rates.https://education.ti.com/en/activity/detail/calculating-unit-prices
Breathtaking Scatter Plots
In this activity, students will gather data by recording estimates of how long they think they can hold their breath and the actual amount of time. Then, they will create scatter plots and box plots to analyze the data. [All recordings taken on dry land]https://education.ti.com/en/activity/detail/breathtaking-scatter-plots
Centers of a Triangle
The centroid, circumcenter, orthocenter, and incenter are the four classic centers of a triangle that are studied in geometry. In this activity, you will construct these center points and discover their properties.https://education.ti.com/en/activity/detail/centers-of-a-triangle
Centroid and Orthocenter
In this activity, students analyze the location of the centroid and orthocenter for different triangles.https://education.ti.com/en/activity/detail/centroid-and-orthocenter
Loans- Days Between Dates
In this activity, students will determine the number of days between dates. They will find the amount due on a loan at the end of a term, which may be in days, months or years.https://education.ti.com/en/activity/detail/days-between-dates
Bonds and Bond Yield to Maturity
In this activity, students will deal with Bonds, that are long-term promissory notes, specifying that the creditor will receive regular interest payments for the term of the agreement and then receive the face amount of the bond. Students will have to estimate the market value of bonds and explor...https://education.ti.com/en/activity/detail/bonds-and-bond-yield-to-maturity
Bisectors
Students investigate the Perpendicular Bisector Theorem and examine its converse. They also explore the Angle Bisector Theorem.https://education.ti.com/en/activity/detail/bisectors
Points, Lines and Slopes (Oh My!) - 84
In this activity students will explore the relationship between coordinates of points and locations on the coordinate plane, the relationships of lines with their equations, slopes and y-intercepts, and lastly, the slopes of parallel and perpendicular lines.https://education.ti.com/en/activity/detail/points-lines--slopes-oh-my@84@ib
Constructing Quadrilaterals
In this activity, students will construct different types of quadrilaterals from the quadrilateral hierarchy. This activity asks for constructions based on a minimal definition of the quadrilateral. The activity will reinforce the difference between a construction and a drawing.https://education.ti.com/en/activity/detail/constructing-quadrilaterals
Intro to Circles Terminology
Four questions to introduce the TI-Navigator™ and to assess student understanding of basic terms about circles.https://education.ti.com/en/activity/detail/intro-to-circles-terminology
Perpendicular Slopes
Students investigate the "negative reciprocal" relationship between the slopes of perpendicular lines. The final phase of the activity is appropriate for more advanced students as they are led through an algebraic proof of the relationship.https://education.ti.com/en/activity/detail/perpendicular-slopes_1
Coordinate Geometry The Equation of a Line
This activity teaches students the relationship between the slope, y-intercept, and the equation of a line.https://education.ti.com/en/activity/detail/coordinate-geometry-the-equation-of-a-line
Circles in the Plane
In this activity, students will use the Cabri™ Jr. application to explore circles in a plane. They will investigate the relationship between the equation of a circle, the length of its radius, and the coordinates of its center.https://education.ti.com/en/activity/detail/circles-in-the-plane
Sequences
Students learn how to graph the first n terms of a sequence, how to set the window and how to evaluate the nth term of a sequence. They also explore the Fibonacci sequence and Web plots.https://education.ti.com/en/activity/detail/sequences
Circumcenter and Incenter
In this activity, students examine the location of the circumcenter and incenter for different triangles.https://education.ti.com/en/activity/detail/circumcenter-and-incenter
NUMB3RS - Season 2 -"Hot Shot" - A Stab in the Dark
In "Hot Shot," two victims of a possible serial criminal are found. Charlie uses kernel density estimation as a method for predicting a change in behavior to indicate a connection between the victims and the criminal.https://education.ti.com/en/activity/detail/numb3rs--season-2-hot-shot--a-stab-in-the-dark
Classifying Triangles by the Length of the Sides Using Cabri Jr.
This activity uses Cabri Jr. to classify triangles according to the length of their sides.https://education.ti.com/en/activity/detail/classifying-triangles-by-the-length-of-the-sides-using-cabri-jr
Watching Your Weight - TI-83
In this activity, students examine how moving a weight up along a board affects the downward force on the board. They explore how children with different weights can be balanced on a seesaw.https://education.ti.com/en/activity/detail/watching-your-weight--ti83
Concurrency & the Circumcenter
In this activity, students will explore the perpendicular bisectors of the sides of a triangle. Students will discover that the perpendicular bisectors are concurrent and that the point of concurrency is the circumcenter. Students should discover the relationship between the type of triangle and ...https://education.ti.com/en/activity/detail/concurrency--the-circumcenter_1
Conics as a Locus of Points
Students investigate the definition of a parabola through one of its geometric definitions. They study conic sections. They examine an ellipse as a locus of points such that the sum of distances from the foci to the traced path is constant.https://education.ti.com/en/activity/detail/conics-as-a-locus-of-points
Measuring Polygons - An Introduction to Cabri Jr.
This activity is designed as an intoduction to using the Carbr Jr. application on the TI-83+/84+ calculators. Students are guided through the menu system and are shown how to draw triangles, quadrilaterals and and a pentagon. Perimeter and angle measurements are also explained. The activity leads...https://education.ti.com/en/activity/detail/measuring-polygons--an-introduction-to-cabri-jr
Modeling Exponential Decay with a Look at Asymptotes
In this activity, students approximate exponential decay models by defining parameters A and B in the exponential equation y = abx. They identify non-zero asymptote form of an exponential function.https://education.ti.com/en/activity/detail/modeling-exponential-decay-with-a-look-at-asymptotes
Modeling Exponential Decay with a Look at Asymptotes - Activity 7
Students use sample data to approximate models with the Transformation Graphing Application. They are introduced to the idea of discrete data sets being used with continuous function models. They also identify non-zero asymptote form of an exponential function.https://education.ti.com/en/activity/detail/modeling-exponential-decay-with-a-look-at-asymptotes--activity-7
Algebraic Expressions Review
LearnCheck is used to review simplifying expressions, evaluating expressions, and translating expressions.https://education.ti.com/en/activity/detail/algebraic-expressions-review