Curated OER
Exploring the Centroid of a Triangle
Pupils examine the centroid of a triangle as they use Cabri Jr. to construct a triangle and its medians. The dynamic nature of the software allows learners to measure the lengths of the segments in the triangle and conjecture and verify...
Curated OER
Fundamental Theorem of Algebra
In this worksheet, learners identify the Fundamental Theorem of Algebra. They solve polynomial functions and simplify expressions and equations.
Curated OER
Himalayan Herds: Fractional Exponential Growth
Young scholars solve problems by identifying exponential growth and decay and differentiating between patterns, relation and functions. For this algebra lesson, students apply concepts of exponential growth to solve problems.
Curated OER
Distributive Property
Students solve problems using distribution. In this algebra instructional activity, students factor equations using the distributive property. They graph their solution on a graph.
Curated OER
Solving Systems by Graphing
Solve systems of equations with your super smart upper graders. They solve systems of equations and then graph two lines to find where they intersect. The focus on the activity is to have learners explore moving a point to...
Curated OER
Alternate Interior Angles
Label angles of parallel lines to analyze the angles created by a transversal and two parallel lines. They graph their lines and observe the similarity and difference in the angles.
Curated OER
Triangle Sum Theorem
Teach your class how to solve problems using the triangle sum theorem. In this geometry instructional activity, students identify the missing angles in a triangle using the sum theorem. They graph triangles on the TI and moves the sides...
Curated OER
Corresponding Parts of Similar Triangles
Here is a lesson that has learners take a look at corresponding parts of similar triangles, ratios of similarity, reductions and enlargements. They'll manipulate the scale factor (r) to observe the changes in similar triangles and then...
Curated OER
Scale Factor Area Perimeter
Mathematicians compare triangles at different scales. In this geometry lesson, young scholars calculate the area and perimeter of triangles. They use the Ti to make observation of the change that takes place as the triangles are dilated.
Curated OER
Ratios of Similar Figures
Students identify the ratios of different triangles. In this geometry lesson, students identify the similarity and differences of triangles. They use the navigator to move the sides of the triangle around.
Curated OER
Creating Parallelogram
Learning how to define vocabulary words related to solving parallelograms will assist your learners in identifying different parallelograms. They use the navigator to view different shapes created by moving the parallelogram around.
Curated OER
Creating a Midpoint Quad
Using a TI Navigator to drag quadrilaterals around to create different shapes, students learn how to draw midpoints in their quadrilaterals. In this geometry lesson, students solve problems using the properties of quadrilaterals.
Curated OER
Rhombi, Kites, and Trapezoids
High schoolers identify the number of diagonals for each polygon. In this geometry lesson, students identify the polygons based on their diagonals and the way it intersect. They create visuals using the navigator to see the changes in...
Curated OER
Matrix Multiplication
Students solve matrices using multiplication. For this algebra lesson, students identify the properties needed to multiply matrices. They define the terms matrix and dimensions.
Curated OER
Solving Systems with Row Operations 1
Students solve systems of equations. In this algebra lesson, students use matrices to solve linear equations. They use reduced row echelon-form and scalar multiplier to simplify the matrices completely.
Curated OER
Matrix Transformations
Students perform reflections of polygons. In this algebra lesson plan, students use matrices to calculate the reflection across the x and y axis. They also calculate rotation representing 90 and 180 degrees around the origin of the...
Texas Instruments
Probability of Repeated Independent Events
Statisticians analyze different samples to find independent and dependent events. In this probability lesson, pupils predict the outcome and then calculate the real outcome. They create a tree diagram to help predict the probability of...
Curated OER
Birthday Problem
Young scholars identify the probability of an event occurring. Learners explore the complement of an event in finding why an event will not happen. They also explore basics of probability within algebra.
Curated OER
Skateboards
Middle schoolers examine two plants that make skateboards. They practice converting fractions to percents in real life applications.
Curated OER
Falling Into Geometry Through Paper Art
Students explore geometric shapes. In this kindergarten geometry lesson plan, students create a fall quilt consisting of three different paper geometric quilt squares that when assembled form a scarecrow, a pumpkin, and a...
Curated OER
Money
Students count money using only coins. In this money lesson, students read Bennies Pennies, practice counting the pennies in the story and are then introduces to the different coins, penny, nickel, dime and quarter. Students...
Curated OER
Growing bacteria
Students investigate the growth of bacteria under the right condition. In this biology lesson plan, students observe the growth of bacteria and fungi given the perfect condition to grow. They graph the result and investigate where else...
Curated OER
Hit and Run
Pupils explore data collection in this instructional activity. They investigate distance vs. time and velocity vs. time graphs using information collected with a CBR 2 to simulate the reconstruction of an accident.
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...