Ryan's Puppy Problem
This problem can be used in Geometry of Algebra. Ryan desires to build a rectangluar fence to keep his puppy in. What shape should he use if he has 8 meters of fencing?https://education.ti.com/en/activity/detail/ryans-puppy-problem
The Tangent Ratio
In this activity students explore the tangent ratio. Students construct a right triangle using perpendicular lines, and a line that forms the hypotenuse of the triangle. When students construct the hypotenuse line it is very important that the second point that forms the line is not on the perpen...https://education.ti.com/en/activity/detail/the-tangent-ratio
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
Math TODAY: Thirsty For Oil
Students will use the USA TODAY® Infograph 'Thirsty For Oil' to explore the area of a trapezoid and determine how to find area. Students will find the area of a parallelogram and use this to determine a formula for the area of a trapezoid. Applying the relationship to a real-world problem will he...https://education.ti.com/en/activity/detail/math-today-thirsty-for-oil
Move it
In this activity, students investigate transformation, slides and scaling, of a triangle using lists. They will add, subtract and multiply numbers to the list and describe the changes that have occurred. Students are to make the connection between changing the x- or y-values and the transformation.https://education.ti.com/en/activity/detail/move-it
Extension: Parallel Lines and the Sum of the Angles
Students construct a line parallel to the base of a triangle and measure the angles formed. They use the construction to prove that the sum of the measures of the interior angles of a triangle is 180 degrees.https://education.ti.com/en/activity/detail/extension-parallel-lines-and-the-sum-of-the-angles
Estimating Square Roots
In this activity, students develop an understanding of the relationship between a number and its square root. They will first recognize perfect squares and order them from least to greatest with other numbers. Then students will estimate the square root of a number using perfect squares.https://education.ti.com/en/activity/detail/estimating-square-roots
How Do You Measure Up?
In this activity, students graph scatter plots to investigate possible relationships between two quantitative variables. They collect data and analyze several sets of data pairing the two quantities.https://education.ti.com/en/activity/detail/how-do-you-measure-up
Area of a Regular Polygon
This activity has the students derive the formula for finding the area of a regular polygon. Demonstrating the procedure of constructing a regular polygon in front of the class maybe necessary depending on the students prior experiencehttps://education.ti.com/en/activity/detail/area-of-a-regular-polygon
Investigating Segments in a Triangle
In this activity, students investigate the midsegments of a triangle as in the previous activity. They continue to explore these segments and extend their understanding of the relationships that exist between the slopes of lines containing the segments. NCTM Geometry Standard covered: Analyze ch...https://education.ti.com/en/activity/detail/investigating-segments-in-a-triangle
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
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
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
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
Lines in the Plane
In this activity, students create a slope triangle and understand the concepts of slope and the equation of lines. They realize that slope is constant at all points along a fixed line. They also explore the slopes of parallel and perpendicular lines.https://education.ti.com/en/activity/detail/lines-in-the-plane
Linear Regression
Each set of 32 reproducible masters teaches appropriate keystroking and ample practice for each topic in mathematics.https://education.ti.com/en/activity/detail/linear-regression
Winning Inequalities (Part 2)
Students graph systems of linear inequalities and investigate the concepts of constraints and feasible polygons.https://education.ti.com/en/activity/detail/winning-inequalities-part-2
Maximizing Your Efforts
Students write an objective function and graph the system of inequalities to find the maximum profit from selling two types of game players.https://education.ti.com/en/activity/detail/maximizing-your-efforts
Linear Equations for Which the Difference between the Coordinates is Constant
This activity allows students to explore situations in which points with a constant difference between coordinates are graphed. With TI-Navigator?s display, students can determine that an oblique line is formed from such points. This oblique line always has intercepts equal to the constant diff...https://education.ti.com/en/activity/detail/linear-equations-for-which-the-difference-between-the-coordinates-is-constant
Using TRNSFRM APP
This activity introduces the use of TRNSFRM APP and the effect of A and B in AX + B as well as discovering Amplitude, Period and Vertical shift of sinusoids with the aid of a slinky!https://education.ti.com/en/activity/detail/using-trnsfrm-app
Solving Systems Using Matrices
In this activity, students will represent and analyze mathematical situations and structures using algebraic symbols.https://education.ti.com/en/activity/detail/solving-systems-using-matrices
Constructing an Ellipse
Students explore two different methods for constructing an ellipse.https://education.ti.com/en/activity/detail/constructing-an-ellipse
Scatterplots and Correlation with TI-83
Students learn how to enter a list of data and use these lists to graph two-variable statistics. They learn how to analyze the resulting scatterplots to assess the correlation between two variables.https://education.ti.com/en/activity/detail/scatterplots-and-correlation-with-ti83
Absolutely Wonderful
The activity uses Cabri Jr. and TI-Navigator™ to explore the angle between the branches of an absolute value function. By the end of the activity, absolute value functions will be connected to trigonometry. This activity can be used in an algebra 2/pre-calculus course where students are already...https://education.ti.com/en/activity/detail/absolutely-wonderful