Curated OER
Perpendicular Bisector Theorem
High schoolers construct perpendicular bisectors using Cabri Jr. on their graphing calculator. They then construct conditional statements about perpendicular bisectors along with their converse, inverse, and contrapositive.
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Midsegments of Quadrilaterals
High schoolers explore the concept of quadrilaterals as they find the midsegments of quadrilaterals using Cabri Jr. on a graphing calculator. They find midpoints, slopes, angles, and distances of lines and angles.
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Exploring the Orthocenter of a Triangle
Young mathematicians explore the concept of triangles as they construct altitudes of triangles to find the orthocenter. Learners construct their triangles using Cabri Jr. on their graphing calculators and find that the altitudes of a...
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M&Ms; Line Plots and Graphing
Students, using small individual bags of M&Ms, engage in activities including; estimating, sorting, graphing, mean, median, mode, fractions, percentage, and averaging.
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World Population Activity II: Excel
Students import UNEP World population data/projections from either the World Population Prospects: The 2002 Revision Population Database - UN Population Division or a text file. They graph this data by itself, and then along with...
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Using Excel To Teach Probability And Graphing
Students engage in the use of technology to investigate the mathematical concepts of probability and graphing. They use the skills of predicting an outcome to come up with reasonable possibilities. Students also practice using a...
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Games for Probability: In-Class and Powerball Simulation
Your soon-to-be statisticians play a game to understand the difference between independent and dependent experiments and probability. They draw colored cubes from a bag and then, by either replacing the cube in the bag, or not, for each...
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Why Doesn't My New Shirt Fit?
Students test Leonardo da Vinci's view of the human body by measuring various body parts using a tape measure. They create a data table and a scatter plot and then analyze and interpret the results using a graphing calculator.
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Exploring Linear Equations
Eighth graders follow the teacher as they enter information into the graphing calculator. They investigate different graphs to explain the slope of a line, the y intercept, and parallel lines.
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Get a Half-Life Student Worksheet
Young scientists use a learning exercise to help them perform a lab on the decay of a radioactive element. The learning exercise serves as both a task guide and a lab sheet for pairs of learners. This activity requires a calculator and...
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The Square Counting Shortcut
An excellent instructional activity that encourages learners to discover how complex figures can be broken into simpler shapes when measuring area. Working with block letters, learners are given the freedom to develop their own...
National Wildlife Federation
Wherefore Art Thou, Albedo?
In the sixth instructional activity in a series of 21, scholars use NASA data to graph and interpret albedo seasonally and over the course of multiple years. This allows learners to compare albedo trends to changes in sea ice with...
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Math: Will The Airplane Get Off the Ground?
Learners use data from real-life models to calculate and compare the force required for an airplane of a given weight to become airborne. They use a graphing calculator to evaluate data and use the World Wide Web to access data.
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Using Symmetry to Find the Vertex of a Parabola
Learners engage in a instructional activity that is about finding the vertex of a parabola while using symmetry. They use the symmetry to find out where the two lines meet. The line is displayed with the help of a graphing calculator....
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Finding a Line of Best Fit
Pupils engage in the practice of creating a scatter plot with the data obtained from measuring different resting heart rates. The data is used to create the table that is translated into a graph. The lesson plan gives instructions for...
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Pictograph to Bar Graph
Second graders explore organizing data to make it useful for interpreting picture graphs and bar graphs. They use Graphers software to create a pictograph and a bar graph.
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Graph Functions: Practice
For this graph functions worksheet, learners complete several activities to help them graph functions. Students use the table and the graph to complete the questions. Learners also answer two test prep questions.
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Using Averages to Create Graphs Through Excel
Sixth graders create and use a spreadsheet to make graphs which will be used to analyze Progress Report and Final Report Card grades. They practice finding the mean, median, mode, and range of a data set. Students also incorporate column...
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Exploration Sequence of Bounces
New skills are developed as learners use graphing calculators and ranger technology to capture and graph the sequence of bounces a ball makes when dropped. After recording the height of four or more bounces, they use the collected data...
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Zeros of Polynomials
Students graph polynomials. In this Algebra II lesson, students investigate the graph of a polynomial to determine the value and the number of zeros. This lesson requires the use of a graphing calculator.
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Binomial Multiplication
Learners explore binomial multiplication through the use of technology. Using a graphing calculator, you pupils enter the binomial expression into Y1, multiply the binomials and enter that result into Y2, and combine like terms and enter...
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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...
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Classifying Triangles by the Length of the Sides Using Cabri Jr.
Learners follow detailed directions to create triangles on their graphing calculator. In this properties of triangles lesson, they will create triangles on their calculators using the Cabri Jr. application. They then identify three...
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Name That Tune: Matching Musical Tones Through Waveform Analysis
Pupils detect the waveform of musical notes to determine the code for the "safe" in this forensics simulation lesson. They use a microphone and tuning forks along with Vernier EasyData on their graphing calculator to analyze five musical...