Explore Transformations with Matrices
Students will use a graphing calculator to explore transformations with matrices. They will analyze how each element of the matrix affects the position of the image. This Technology Lab accompanies Lesson 12-3 from the ©2007 Holt, Rinehart and Winston Geometry textbook.https://education.ti.com/en/activity/detail/explore-transformations-with-matrices
Equations of Circles
In this activity, students will explore the relationship among the location of the center of the circle, the radius of a circle, and the equation of a circle in a plane. They will also investigate the relationship between the points inside, on, and outside a circle, and the equation of the circle.https://education.ti.com/en/activity/detail/equations-of-circles_1
Real Number Properties
This StudyCards™ set promotes understanding of commutative properties, associative properties and the distributive property. Use with Foundations for College Mathematics, ch. 1-1.https://education.ti.com/en/activity/detail/real-number-properties
Dilations in the Plane (Transformations)
In this activity, students will explore the properties of dilations and the relationships between the original and image figures.https://education.ti.com/en/activity/detail/dilations-in-the-plane-transformations
Dilations in the Plane
In this activity, students will learn to use the Dilation tool on the Cabri™ Jr. application. They will also investigate the properties of dilations and the effects of dilations in the coordinate plane.https://education.ti.com/en/activity/detail/dilations-in-the-plane_1
Exploring the Centroid of a Triangle
In this activity, students investigate what happens when all three medians of a triangle are drawn. They learn how to locate the centroid. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimensional geometric shapes and develop mathematical arguments about geome...https://education.ti.com/en/activity/detail/exploring-the-centroid-of-a-triangle
Exploring the Diameter and Circumference of a Circle
In this activity, students explore the relationship between a circles' circumference and its diameter which leads them to their own "discovery" of a value for pi. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimensional geometric shapes and develop mathematic...https://education.ti.com/en/activity/detail/exploring-the-diameter-and-circumference-of-a-circle
Points in the Coordinate Plane
In this activity, students will use the Cabri™ Jr. Application to explore the coordinate system.https://education.ti.com/en/activity/detail/points-in-the-coordinate-plane
Exterior and Interior Angle Theorem
In this activity, students investigate the relationship between the exterior angle of a triangle and its remote interior angles. They study the Triangle Sum Theorem and the Exterior Angle Theorem.https://education.ti.com/en/activity/detail/exterior-and-interior-angle-theorem
Exploring Quadratic Data with Transformation Graphing
Students practice with the parameters of the vertex form of the parabola and their effect on the shape of the curve. They use this concept to find a quadratic model. They also use translation and dilation to change the general parabola.https://education.ti.com/en/activity/detail/exploring-quadratic-data-with-transformation-graphing
Give Me a Hand or Leaf Me Alone - TI-83
In this activity, students find the surface area of geometric shapes cut from card paper and relate it to its mass. They use this data to find the surface area of irregularly shaped objects.https://education.ti.com/en/activity/detail/give-me-a-hand-or-leaf-me-alone--ti83
Exploring Quadratic Data
Students will analyze the vertex form of a parabola and find an approximate fit of a model. They will study the quadratic function (parabola) and its properties by developing quadratic models. They also use translation and dilation to change the general parabola.https://education.ti.com/en/activity/detail/exploring-quadratic-data
Handy Reflections
The purpose of this investigation is to: Revise plotting points on the Cartesian plane Use and understand aspect ratios Improve estimation skills Use a spreadsheet or a graphing calculator to draw a graph Learn how to reflect lines and points in the x & y axis.https://education.ti.com/en/activity/detail/handy-reflections
Body Relationships
Students will measure different parts of their body (height, thumb, etc.) and will create graphs to see if there are relationships between the measurements. Teachers can use the TI-Navigator™ System to compile student data so that students have more data points to plot on their graphs to help wi...https://education.ti.com/en/activity/detail/body-relationships
Calculating the Area of a Triangle Using Heron's Formula
Students will measure the lengths of the sides of three different triangles and apply Heron's Formula to calculate the area in acres. The measurements for this activity may be done outside or, using a specified scale, completed inside. Students will calculate the area using their graphing calcul...https://education.ti.com/en/activity/detail/calculating-the-area-of-a-triangle-using-herons-formula
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
Hey, Ortho! Whats Your Altitude?
In this activity, students will explore the altitudes of a triangle. Students will discover that the altitude can be inside, outside, or a side of the triangle. Students will discover that the altitudes are concurrent. The point of concurrency is the orthocenter. Students should discover the rela...https://education.ti.com/en/activity/detail/hey-ortho-whats-your-altitude
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
Investigating Lengths of Segments in a Triangle
In this activity, students connect the midpoints of two sides of a triangle, to draw the midsegment of the triangle. They investigate how the length of this segment relates to the third side of the triangle. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimens...https://education.ti.com/en/activity/detail/investigating-lengths-of-segments-in-a-triangle
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
Investigating Segments in a Quadrilateral
In this activity, students use the tools of Cabri™ Jr to test their knowledge of geometry. They investigate the properties of the shape formed by connecting the midpoints of adjacent sides of a quadrilateral. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dime...https://education.ti.com/en/activity/detail/investigating-segments-in-a-quadrilateral
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
Investigating Segments in a Right Triangle
In this activity, students review definitions of terms such as right triangle, hypotenuse, midpoint, vertices, and equidistant. They also discover an important characteristic of the midpoint of the hypotenuse. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dime...https://education.ti.com/en/activity/detail/investigating-segments-in-a-right-triangle
Investigating the Slopes of Parallel and Perpendicular lines
In this activity, students investigate how equations of parallel and perpendicular lines relate to each other. They use the drawing and measurement tools of Cabri™ Jr. to explore the slopes of lines. NCTM Geometry Standards: Analyze characteristics and properties of 2- and 3-dimensional geometric...https://education.ti.com/en/activity/detail/investigating-the-slopes-of-parallel-and-perpendicular-lines
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