What am I?
In this lesson, students will get a quick review or refresher on topics such as points, lines, planes, rays and line segments. This is a great warm-up or wrap-up.https://education.ti.com/en/activity/detail/what-am-i
Exploring the Orthocenter of a Triangle
In this activity, students use the Cabri™ Jr. tools to draw altitudes in a triangle. They construct a line perpendicular to a given line and through a given point. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimensional geometric shapes and develop mathemat...https://education.ti.com/en/activity/detail/exploring-the-orthocenter-of-a-triangle
We Have the Same Birthday
In this activity, students use simulations to answer a popular question involving probabilities. They will use the randInt and mean commands to determine the average number of people that need to be in a room to share a birthday.https://education.ti.com/en/activity/detail/we-have-the-same-birthday
Vertical Angles
In this activity, students visualize and explore the angles that are formed when two lines intersect. By measuring angles formed by intersecting lines, they enhance their understanding of vertical angles, supplementary angles, and a linear pair.https://education.ti.com/en/activity/detail/vertical-angles
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
The Magical Growth of Numbers
In this activity, students will learn to quickly add lists of numbers by adding like terms and using the Distributive Property.https://education.ti.com/en/activity/detail/the-magical-growth-of-numbers
The Same Name Game
In this activity, students explore the meaning and purpose of equivalent fractions. They also practice writing fractions that meet a given criteria.https://education.ti.com/en/activity/detail/the-same-name-game
The Rule of Four
In this activity, students will use a variety of features of the TI-84 Plus to represent problem situations. Students will look at problems algebraically, graphically, verbally, and numerically.https://education.ti.com/en/activity/detail/the-rule-of-four
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
Drawing Conclusions
This activity introduces students to the concept of collecting and analyzing data and using conjectures to formulate new questions.https://education.ti.com/en/activity/detail/drawing-conclusions
Comparing Area of Rectangles
In this activity, students discover the relationship between a change in the dimensions of a rectangle and the change in the corresponding area.https://education.ti.com/en/activity/detail/comparing-areas-of-rectangles
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
Are There Any Seats Left
This activity allows students to use a simulation to understand why airline companies routinely overbook flights.https://education.ti.com/en/activity/detail/are-there-any-seats-left
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
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
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
Calculating Sale Prices
In this activity, students will find discounts and sale prices for items selling at 20% off and 40% off by using tables. They will then find the general rules, using a variable, for finding those discounts and prices.https://education.ti.com/en/activity/detail/calculating-sale-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
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
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
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
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
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