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
Investigating Area Relationships
The interactive Cabri Jr. geometry application makes it easy to measure the area of triangles and quadrilaterals. In this activity, students will explore some interesting area relationships in quadrilaterals.https://education.ti.com/en/activity/detail/investigating-area-relationships
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
Betweenness and the Sum of Parts
In this activity, students' will explore the concepts of betweenness and the sum of parts visually, geometrically, and numerically for segments and angles using the Cabri® Jr. application. They will investigate how the sum of parts equals the whole.https://education.ti.com/en/activity/detail/betweenness-and-the-sum-of-parts
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
House
Students use the Cabri Geometry™ II Plus software to invert, rotate and dilate a figure.https://education.ti.com/en/activity/detail/house
Connecting Translations, Reflection, and Rotations
In this activity, students will investigate the relationship among the three types of rigid transformations - translations, rotations, and reflections.https://education.ti.com/en/activity/detail/connecting-translations-reflection-and-rotations
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
NUMB3RS - Season 3 - "Traffic" - Birthday Surprise
Students will study the birthday problem and other similar applications.https://education.ti.com/en/activity/detail/numb3rs--season-3--traffic--birthday-surprise
Number Sets
When you start this activity, students receive a Venn diagram of real number sets (natural, whole, integer, rational, irrational)on their calculator. This same diagram is projected on the Activity Center screen at the front of the room. The teacher writes a value on the board and students move th...https://education.ti.com/en/activity/detail/number-sets
Perfect Squares and Roots
StudyCards(tm) to practice solving square root problems.https://education.ti.com/en/activity/detail/perfect-squares-and-roots
Coordinate Geometry - Circles
In this activity, students investigate the relationship between the coordinates of a point on the circle, radius of a circle, and the values in the equation of the circle.https://education.ti.com/en/activity/detail/coordinate-geometry--circles
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
Sequence Patterns
Sonya Kovalevsky(1850-1891)was fascinated by infinite sequences. Fill in the spaces to continue the sequences in the attached document.https://education.ti.com/en/activity/detail/sequence-patterns
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
Simulating Coin Toss Probability
Students will understand patterns, relations, and functions.https://education.ti.com/en/activity/detail/simulating-coin-toss-probability
Radius, Diameter, and Circumference of a Circle
In this activity, students will learn the basic concepts of the circle. They explore the relationship between the diameter and the radius, and between the diameter and circumference of a circle. They also get familiar with the Greek symbol π (pi).https://education.ti.com/en/activity/detail/radius-diameter-and-circumference-of-a-circle
Exterior Angle Sums with Cabri Jr.
A Cabri Jr. activity studying exterior angle sums.https://education.ti.com/en/activity/detail/exterior-angle-sums-with-cabri-jr
Solving Equations
Students use the graphing features on the TI-83/84 to solve equations.https://education.ti.com/en/activity/detail/solving-equations
Reaction Time
The students will do experiments involving reaction time, and then make a histogram displaying their datahttps://education.ti.com/en/activity/detail/reaction-time
Decimal Defender App
This App helps students practice multiplication and division with decimals in a fun environment. Students use this App to learn standard multiplication and division algorithms as well as understand topics such as scientific notation, the metric system, and more.https://education.ti.com/en/activity/detail/decimal-defender-app
Estimating Square Roots
By estimating the value of a square root students will get practice in identifying perfect squares, in checking for reasonableness of an answer, and in mental math.https://education.ti.com/en/activity/detail/estimating-square-roots
Midsegment of a Trapezoid
Students study the Midsegment Theorem for Trapezoids.https://education.ti.com/en/activity/detail/midsegment-of-a-trapezoid
Midsegment of a Triangle
Students explore the properties of triangles formed by connecting the midpoints of two sides of a triangle, and examine the relationship between the two triangles. They study the Triangle Midsegment theorem.https://education.ti.com/en/activity/detail/midsegment-of-a-triangle
Midsegments of Quadrilaterals
In this activity, students will extend their understanding of midsegments by investigating the midsegments of a quadrilateral and the midsegment quadrilateral.https://education.ti.com/en/activity/detail/midsegments-of-quadrilaterals