Curated OER
The Derivative as a Limit
High schoolers investigate derivatives. In this calculus lesson, students investigate the derivative as a limit through the use of the TI-89.
Curated OER
Circles all Around
Students investigate circles. In this middle school mathematics lesson, students explore the relationship between the diameter of a circle and its circumference.
Texas Instruments
Cabri Jr. Inscribed and Central Angles
Learners will differentiate between inscribed and central angles in this geometry lesson. They answer questions dealing with circles as they relate to inscribed triangles and angles. This assignment includes a printable worksheet.
Curated OER
Cabri Jr. Inscribed Angles
Young scholars construct inscribed angles using Cabri Jr. They draw a circle on their graphing calculator, then construct an inscribed angle and measure its angle measures. Learners drag the inscribed angle around the circle. They make...
Curated OER
Cabri Jr. Perpendicular Bisector of a Chord
Your learners will construct the perpendicular bisector of a chord. They use Cabri Jr. to construct a circle and a perpendicular bisector of a chord. They then measure lengths of the chords and perpendicular bisectors. Learners use...
Texas Instruments
Exploring Tangents
Explore the concept of tangent lines. In this tangent line lesson, learners graph a circle and two lines on their graphing calculator using Cabri Jr. Learners construct the lines so that they both intersect at a given point and are both...
Curated OER
Coming Clean About Showering Time
Learners measure objects using the Cabri Jr. application in this technology lesson. Your class will explore the TI-83 and 84 incorporated with Cabri Jr. to solve business related problems. This is a technology based lesson.
Curated OER
Area and Perimeter of Regular Polygons - An Extension
Pupils explore the relationship between area and perimeter of polygons.They measure the area and perimeter of regular polygons inscribed in a circle. Learners then discuss how as the number of sides of a regular polygon increase, the...
Curated OER
Pyramid Activity
Pupils explore the concept of pyramids. They determine if two sides of a pyramid are perpendicular using a graphing calculator, then discuss parallel and perpendicular lines and how to determine if two lines are parallel or...
Curated OER
What is my Angle? App
Learners estimate angle measures in this this estimating angle measures lesson. They use an application on their graphing calculator that shows various settings involving angles and then they estimate the angle measure of a clock's...
Curated OER
Dimensions and Area
Learners explore the area of rectangles in this middle school geometry lesson. They will investigate the relationship between a change in the dimensions of a rectangle and the change in the corresponding area. Learners also investigate...
Curated OER
TI Workshop Presentation Guide for "Preparing for Proofs"
Pupils discover proofs using the TI in this geometry lesson. They collect data from newspaper and magazines and analyze their data using the TI, relating it to proofs.
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...
Curated OER
Advanced Algebra with the TI-89
Pupils investigate the formulas for volumes of various solids using the Ti-89 calculator. The lesson plan focuses on the keying sequences necessary to embed the required volume formula in a program which is then used in the problem...
Curated OER
Exploring Geometry and Algebra using Cabri Jr. Application.
Learners solve geometric problems with algebra and graphing in this lesson plan. They will prove the bisectors theorem using the Cabri Jr. application, which requires Cabri on their TI.
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
Triangles: Triangle Inequalities
Using SketchPad on their calculators to construct triangles, students measure exterior angles and remote interior angles of their constructed triangle. Students develop the triangle inequality from observation and exploration with their...
Curated OER
Solar Matters II
Students research solar energy. In this solar energy lesson, students construct a KWL chart and research solar energy through various websites and related readings. Students complete a science journal page as an assessment.
Curated OER
Creating Comic Strips
Students recognize the elements needed to create a comic strip. In this comic strip lesson plan, student understand that comic strips need words and pictures. Students find differences and similarities in comic strips. Students describe...
Curated OER
Making a Rainstick
Students construct a rainstick. In this music instructional activity, students investigate the history of the rainstick by reading the book Bringing the Rain to the Kapiti Plain by Verna Aardema. Students express their feelings about the...
Curated OER
Masks and Aesop's Fables
Students study and perform Aesop's fables. In this Aesop's fables lesson, students read and/or listen to a number of the famous fables. They make masks based on the characters and perform a fable using the masks. They write about the...
Curated OER
Cultural Creation Myths
Students write original plays based on supernatural explanations of existence. In this cultural creation myths lesson, students listen to five different stories about supernatural creation. Students record similarities and differences in...
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