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Area of Triangle using the Semi-Perimeter and Radius
Learners investigate the properties of circles. In this geometry activity, students calculate the area and perimeter of a triangle. They identify the perimeter and radius length of a circle.
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Transformations Using Matrices
In this transformations learning exercise, 10th graders solve and complete 16 different types of problems. First, they graph the image of the figure using the transformation given. Then, students find the coordinates of the vertices of...
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Polynomial Multiplication
Students review information about how to multiply polynomials and then work in pairs to complete a worksheet. They use graphing calculations to help them solve their math problems.
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Flips, Turns, and Slides: Adventures with Transformations
Students explore transformations. In this math lesson, students plot points on a coordinate grid and construct shapes. Students discuss movements on the grid as flips, turns and slides.
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Writing in the Math Classroom
Students determine the vertex, y-intercept and direction of a parabola and write an explanation of how to graph a parabola. They collect and graph data using a calculator.
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Equations 1
Students discuss the meaning of balance and how it applies to equations. After listening to a lecture, they practice solving equations with two orders of operation and doing whatever they do on one side to the other side as a class. To...
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Graphing Linear Equations - With Table
Learners describe relations and graph linear functions. After studying a geometric shape and a verbal statement, students contrast the differences between the verbal statement and the picture. They determine functions and graph...
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Shh...It's a Secret!
Students explore codes, decode secret messages, and create codes of their own to use with their friends. They examine the use of gestures, letters, symbols and numbers in codes.
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Geometric Transformations
Students solve problems involving transformations of geometric figures. They review graphing points in the coordinate plain, plot points and connect to create a triangle. Then, they reflect triangles over the x and y axis and use...
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Choose or Lose: The Electoral Process
Learners examine the local and national election process. In groups, they brainstorm a list of the issues important to them and compare them to an overall list of issues present in the election. They analyze graphs and complete...
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A Thanksgiving Survey
Students conduct a survey. In this math lesson, students design and conduct a survey about Thanksgiving foods. Students display the collected data in a graph and use the graph to determine what food to serve for a Thanksgiving meal.
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Making Good Investments
Students compare different aspects of investing money from traditional savings accounts to money market accounts. They research investment accounts at local banks and compare them.
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Getting Familiar with Fractals
Young scholars use the Internet to answer lab questions about fractals, and then construct fractals using the initial stage and iteration rule. They complete tables and generate rules for the "nth" term and create their own fractals.
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I Can Do This! Systems of Equations
Students solve systems of 2-by-2 linear equations using tables,
graphs and substitution. In small groups, classmates work together to discover strategies for solving equations. They use a calculator to graphically represent their answers.
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Exploring Arrangements of 2, 3, 4, and 5 Cubes
Students use problem solving skills to create various models of tricubes, tetracubes, and pentacubes. They classify the cubes into various groupings and identify them as mirror images, regular arrangements, and irregular arrangements....
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Proportions
Students examine the mathematical concept of proportions in an attempt to apply them in various types of problems. The real application of proportions is often found in word problems which requires a them to also practice a systematic...
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Distance over Time
Students analyze velocity and how it is determined. They experiment with velocity in order to measure and calculate the magnitude of speed. They use examples in their novel "Skateboard Renegade" to relate velocity to real life situations.
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System of Two Quadratic Inequalities
Learners graph a quadratic inequality and describe its solution set. They solve a system of quadratic equalities graphically and symbolically and as related to a real-world context.
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Pattern Matching
First graders examine how to determine the lines of symmetry in pictures, shapes, and patterns by completing the lessons in this unit. They make patterns that show a line of symmetry and describe it using their own language.
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A Thanksgiving Survey
Students take a survey then use the information gained from the survey to help plan a typical Thanksgiving dinner for our last day of class. They create a graph which corresponds the the data gathered during interviews.
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Gazebo Construction
Students create and give oral proposals for the construction of a gazebo using a blueprint created with Geometer's Sketchpad. They then build a gazebo model using the blueprints created and provide evidence why it should be selected for...
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Systems of Linear Inequalities in Standard Form -- Lecture
Students participate in a lecture about linear inequalities. Individually, they graph different inequalities and describe its solution. They participate in a demonstration in which they solve a system of inequalities and complete a...
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Systems of linear inequalities in standard form
Learners practice graphing linear inequalities and explain their solution sets to the solving of a system of linear equalities graphically and symbolically. They utilize programming techniques in setting up and solving systems of linear...
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Circle Relationships
Students explore circles. In this geometry instructional activity, students explore the relationship between the circumference of a circle, the distance a ball travels, and the number of rotations the ball must make in order to travel a...