Texas Instruments
Traditional Copy an Angle - Compass Construction Using Cabri Jr.
Learnerss explore geometric construction in this geometry lesson. They will investigate the traditional construction for copying an angle using Cabri Jr. in lieu of paper and pencil construction. The lesson encourages learners to explore...
Texas Instruments
What's the Scale?
Pupils will analyze scales as related to models and real life in this geometry lesson. They work together to compare the dimensions on a model as compared to the real building.
Curated OER
Count Them Up
Pupils calculate area using the geoboard application on their calculators. They use a TI-73 calculator to find the areas of the shapes provided in the accompanying worksheet. Screen shots and instructions for creating shapes in the...
Texas Instruments
NUMB3RS Activity: Narrowing the Search
Students explore the length of an n-dimensional vector. In this Algebra II/Pre-calculus lesson, students investigate an expansion of the Pythagorean Theorem to n-dimensional space.
Curated OER
Does Clear Water mean Healthy Water?
Learners test their local aquatic site to determine its water clarity. They collect a water sample and measure its turbidity using a sensor, then they repeat the experiment to obtain a second turbidity reading to find the average value.
Texas Instruments
Graphing Calculator Investigation Graphs of Relations
Learners investigate relations in this algebra lesson. They graph the set of ordered pairs that determine a relation. Using a TI-83 Plus, your learners will enter the coordinates in a list, create a scatter plot, and manipulate the...
Curated OER
30-60-90 Right Triangles in Cabri Jr.
Young mathematicians draw and label right triangles using Cabri Jr. technology. They create other special right triangles and identify the length of the hypotenuse and each leg. Students explore the ratios to determine how the hypotenuse...
Curated OER
What's the Spin?
Learners use the CABRI application for their graphing calculator to rotate, translate, and reflect triangles. They use graphing calculators and follow detailed directions to manipulate triangles in specified ways. There are three...
Curated OER
Screaming for Ice Cream
Mathematicians investigate maximizing volume by learning to explore the problem in which they seek to maximize the volume of a cone. Students solve the problem symbolically, graphically, and through the use of integration or...
Curated OER
Congruent Triangles
Young scholars identify properties of triangles. In this geometry lesson, students differentiate between similar and congruent triangles. They use the umber of sides to help define the angle of the polygon.
Curated OER
Corn-Crop is a Bin-Buster
Learners calculate percent change and create lists of data. They enter the corresponding bushels of corn measured in billions to their list and display, then convert the acres into scientific notation and use the value on the home screen...
Curated OER
To the Moon
Pupils explore circumference manipulating Moon Pie wrapper. In this geometry lesson, they manipulate snack wrappers to find circumference, diameter, radius and distance.
Texas Instruments
Copying an Angle
High schoolers will investigate geometric construction in this geometry instructional activity. Your pupils can explore the basic construction of copying an angle, using the constructions tools of Cabri Jr.
Curated OER
Sequence Graphs
Investigate arithmetic and geometric sequences by using a graphing calculator to determine if a sequence is linear or exponential.
Curated OER
Sign of the Derivative
Learn how to investigate the change in a graph by dragging the cursor to observe the change in the function. They use the TI calculator to graph their parabola.
Texas Instruments
Mean Value Theorem
High schoolers calculate the slopes of secant lines. In this calculus instructional activity, students graph tangent and secant lines using the coordinate plane. They use the Ti calculator to graph and observe the lines.
Curated OER
Checking Equivalence
Young scholars solve equations. In this calculus lesson, students compare equations and identify equivalencies. They compare and approximate fractions and decimals.
Curated OER
When the Snow is as High as an Elephant
High schoolers study the concept of mean values using a data plot. Learners enter the given data in the activity to create their data table. They use the data table to calculate the mean of the snowfall percentage provided in the...
Curated OER
Border Patrol ID: 11603
Incorporate technology in your classroom by teaching your students how to graph systems of linear inequalities as they apply to an area of land. The lesson provides an extension in which students are challenged to write a system of...
Curated OER
Piecewise Linear Integral
Young mathematicians solve and graph piecewise functions in this calculus lesson. They integrate linear functions containing restrictions and graph their answers using the TI.
Texas Instruments
Construction Regular Polygons
Learners investigate the process necessary to construct regular polygons. They explore the degree measures of the angles in a regular polygon. Using this information and technology in the form of Cabri Jr., your pupils will construct...
Texas Instraments
Angles in Circles
Teach your learners how to investigate the relationship between a central angle and an inscribed angle which subtend the same arc of a circle. The dynamic nature of Cabri Jr. provides opportunity for conjecture and verification.
Curated OER
Points, Lines, and Distance
Learners calculate the distance between two points. In this geometry lesson plan, students define the meaning of the distance between parallel lines. They find the point of intersection of other lines.
Curated OER
Balanced Systems of Equations
Students solve equations. In this algebra instructional activity, students relate solving equations to a balanced scale. They add, subtract, multiply and divide on both sides to keep the scale balanced.