Curated OER
The Mandelbrot Set
Students explore the Mandelbrot Set. They are introduced to the concept of a complex number and function in order to motivate the discussion of Julia and Mandelbrot sets. Students investigate fractals and how they are built.
Curated OER
A Pocketful of Change
Students study the meaning, symbolism, and value of U.S. coins,
especially the quarter. They conduct a survey of coins in students'
possession, graphing the results to show frequency distribution and drawing
inferences about the U.S....
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Code Crackers
Students work in teams creating and posing math rules and trying to guess them using a formula controlled worksheet they create with Excel. Student pairs take turns to see who can crack the other's code the fastest.
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Patterns In Fractals
Students find number patterns in the generation of several different types of fractals.
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Properties of Fractals
Students build a working definition of regular fractal, look carefully at the concepts of dimension and scale, and are introduced to logarithms. They solve simple exponential equations for the exponent both by trial and error and using...
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Code Breakers
Middle schoolers collect data and make a frequency table, change ratios into percents, and analyze data to make predictions.
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Basic Math - Plan a Cruise
Learners measure distances and report them in fractions. They convert fractions to decimals and multiply decimals.
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Properties of Fractals
Students build a working definition of a regular fractal, they measure the concepts of dimensions and scale, they explore the concept of a logarithm and they attempt to solve simple exponential equations for the exponent both by trial...
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Patterns in Fractals
Students explore the concept of fractal patterns. In this fractal pattern lesson, students use an applet about the Hilbert Curve to answer questions about rectangles and other polygons. Students derive the fractal pattern when dividing...
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Pythagorean Theorem
Students solve right triangles using the Pythagorean Theorem. In this solving right triangles using the Pythagorean Theorem lesson, students find the missing side of a right triangle. Students find the hypotenuse given two...
Pennsylvania Department of Education
Alike and Different
Students compare and contrast objects and are introduced to a Venn Diagram. In this alike and different lesson plan, students make observations regarding properties of objects. Students classify object and build ideas about variables....
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How Many Bears in the Forest?
Third graders model the tag and recapture of bears and use proportions to estimate the population of the bears in their forest. This is a statistical sampling method used by scientists and naturalists to determine population numbers.
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Million Dollar Gift
Third graders create a box big enough to hold a million dollars. This is a project fun to do near the winter holidays with inexpensive gifts included in the boxes. This hands-on lesson very effectively demonstrates the concept of volume.
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Donut Dinero
Students set up a classroom currency exchange and explore the idea of bartering to get what they want. They create a monetary unit that is based on fractions and multiples of a standard unit, and compare this system to the U.S. monetary...
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Cannot Buy Me Love
Students investigate the concepts that are related to finance and how it is used in the world. They take part in activities that are focused around the use of a spreadsheet while using a T-chart to simulate a ledger of credits and debits.
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Tortillas
Students convert recipes for tortillas. They calculate the amounts of ingredients as they convert recipes and write an explanation of the task to demonstrate their calculations. After reviewing their calculations, they demonstrate how...
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Grade 2: Texas Problem Solving
Second graders use numerical data about Texas to write and solve real-life problems involving addition and subtraction (or multiplication and division). They work in pairs to choose three numerical facts about Texas to use to make up...
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Two-Step Equations
Students explore the concept of solving two-step equations. In this solving two-step equations lesson, students watch a short video about solving equations. Students view a PowerPoint presentation about solving two-step equations....
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Circles and Clocks, Shapes and Time
Learners work in groups to research clocks and practice telling time. In this telling time lesson, students use the computer program ProQuest to study circles, including radius and diameter, and practice drawing circles using a compass....
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Pitot Tube Problem Set
Learners read a NASA Web-based text and use its information to complete an activity which uses a pitot tube to calculate the speed of an airplane.
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Aircraft Trajectory Problem Set
Students read text from a NASA Web-based textbook then demonstrate an understanding of the text by using it to complete an activity on aircraft trajectories.
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Plan a Cruise Lesson Plan
Learners measure distances and report them in fractions, convert fractions to decimals, and multiply decimals.
Curated OER
Angles Lesson Plan
Students stud angles, and then play the "What's Your Angle?" game. They complete at least 10 computer generated problems from the Angles Applet.
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Irregular Fractals
Students study and research irregular fractals and construct a few based on their research. Students practice pattern recognition skills and plane geometry skills calculating dimensions on the Fractured Pictures activity.