Curated OER
Patterns in Fractals
Students explore the concept of fractal patterns. For 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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Irregular Fractals
Students explore the concept of irregular fractals. In this irregular fractals lesson, students discuss how to find fractal dimensions through teacher led discussion. Students calculate fractal dimensions of various fractals.
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Translations
Students explore the concept of translations. In this translations lesson, students discuss similarities and differences between images and pre-images. Students apply translations to coordinates of figures. Students use patty paper to...
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Tantalizing Tangrams
Fourth graders participate in what is considered to be a model lesson. The lesson focuses upon polygons and basic geometry. The lesson addresses national standards and displays how others should be done.
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Cartesian Coordinate System
Students research the Cartesian Coordinate System and its many uses in the world of mathematics and algebra.
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Mathematicians of the Month
Seventh graders become familiar with the history and times which influenced a featured mathematician each month. Through Internet research, they gather information about a different mathematician each month. Students solve mathematical...
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Coordinate Proofs
Learners explore the concept of coordinate proofs. In this coordinate proofs lesson, students write coordinate proofs using properties of distance, slope, and midpoint. Learners discuss why it is sometimes beneficial to double the...
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Does the falling tree make a sound if no one if there to hear it? (or communication via encryption)
Young scholars explore encryption. They discuss the importance of cryptography in our daily lives. Students use games and cryptography to discover transformational geometry and modulo systems. They design their own encryption puzzles...
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Morphemic Analysis
Young scholars analyze content area vocabulary. In this content area literacy lesson, students list math words they are unfamiliar with and identify morphemes found in those words that are found in other words. Once they have a list of...
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Irregular Fractals
Middle schoolers 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.
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Magic Mountain Coaster Computation
Students use the Internet to do research on the roller coasters at Magic Mountain Amusement Park. They must use mathematical formulas to calculate the highest and fastest coaster at the park.
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Perimeter and Area of Similar Figures
Students explore the relationships between similar figures. In this relationships between similar figures lesson, students discuss relationships between perimeter, circumference, area, surface area, and volume of similar figures through...
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Infinity
Students engage in a activity that is concerned with the concept of infinity as defined in a series by geometry. The activity integrates the use of philosophy to help them comprehend how infinity can possibly mean while investigating the...
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Lab for Truss Design and Testing
Learners design and build their own truss. For this physics lesson, students calculate the forces and maximum load. They complete a full scale diagram of their design.
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"Sweet Clara and the Freedom Quilt" by Deborah Hopkinson
Pupils create paper quilts of their own using the isometric grid that tessellates the plane or the fraction quilt square.
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"The Greedy Triangle" by Marilyn Burns
Learners discover which regular polygons can be used to tile a plane.
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Making Sense of the Census
In this unit of lessons, students make sense of the Census. They examine why a census is taken and participate in activities.
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Probability Plus
Students participate in a variety of activities to understand statistics. They collect and interpret data. Also students distinguish the difference between a population and a sample. They make inferences and create arguments using data.
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Pythagorean Theorem Investigation
Eighth graders investigate the Pythagorean Theorem and practice applying the theorem to various triangles. Finally, in the next lesson in the sequence, 8th graders create a song or a story to help them remember the Pythagorean Theorem.
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That Rascal Pascal
Fourth graders use the concept of number patterns to complete a portion of Pascal's Triangle as well as identify and describe the patterns represented.
Mathematics Assessment Project
Identifying Similar Triangles
Math whizzes work with angle sums and exterior angles to figure out the measure of other angles. This particular publication provides comprehensive support in the form of an anticipatory activity, questions designed to prompt discussion,...
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Gotcha Covered, Pardner!
Young geometers use the interactive website Cyberchase to practice calculating both area and perimeter. Real world problems encourage learners to discover that we use math each and every day.
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Exploring Similarity Using Scale Drawings
Learners explore scale factor as they create a scale drawing of a box, then determine the surface area and volume of the original and the scale drawing. The one page worksheet contains activities and procedures with four questions....
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Arrays To See Multiplication
Fifth graders examine multiplication. They construct arrays to demonstrate specific multiplication facts. They identify examples and non-examples of arrays. Students use counters to model the commutative property of multiplication.