Curated OER
Geometry
In this geometry review game worksheet, students use the provided game cards and calling cards to play a Bingo-like game. Students learn geometric terms while playing a group game.
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A First Look at the Garden
For any teacher who is planning a field trip to Missouri's Botanical Garden, this lesson plan packet is a must-have! In it, young learners engage in pre-visit activities so they will be prepared to get the most out of their trip. There...
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Exploration Sequence of Bounces
New skills are developed as students 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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Poems Have Shapes, Too!
Students explore the world of geometric shapes by writing poetry. They use the Diamante Poetry worksheet. They select one geometric shape and, using the template, create their own poem.
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Opening A Cube
Fifth graders investigate mathematical concepts related to the construction of a three dimensional cube. They construct the cube from two dimensional patterns and compute the surface area. Students also define the faces, edges, and...
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The Mandelbrot Set
Students are introduced to the notion of a complex number and function iteration in order to motivate the discussion of Julia sets and the Mandelbrot set.
Improving Measurement and Geometry in Elementary Schools
Rep Tiles
In addition to the catchy title, this lesson plan provides upper graders an opportunity to more closely scrutinize the attributes of plane figures. In particular, they focus on the similarity of different shapes. Both whole-class and...
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Math Hunt
Go on a scavenger hunt around your school to find evidence of math. Investigate different areas of your school for patterns, fractions, and different geometric shapes. Finally, create a spreadsheet and plot the data you've collected.
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Poly-Mania
This hands-on lesson takes young geometers on a tour of 2D polygons and 3D polyhedrons. After exploring different web resources and discussing geometric shapes, small groups construct models of polyhedrons using bendable straws. Note:...
Exploratorium
Exploring a Complex Space-Filling Shape
Middle schoolers build a three-dimensional 12-pointed star as a geometric exercise. The shape is quite-difficult to construct. Luckily there is an excellent template that learners cut out, then use to make their pyramid. The second part...
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Calder's Balancing Acts
Students learn the vocabulary of contemporary sculpture and distinguish between abstract and realistic sculpture, mobile and stabile, biomorphic and geometric. They write equations using Calder's mobiles
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A Contouring We Go
Students examine the built environment and infrastructures of their community by constructing contour equipment, using the equipment, and comparing their results to current topographical maps of the same area
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Another Way of Factoring
Focusing on this algebra lesson, learners relate quadratic equations in factored form to their solutions and their graph from a number of different aspects. In some problems, one starts with the original equation and finds the...
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Fabulous Fractals
Learners view a video to discover how patterns in nature relate to math. They explore the concept of exponential growth by observing and creating fractals. They solve and design word problems.
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Exploring Secants: Products of Segments
Students explore secants and circles. In this geometry instructional activity, students identify the properties of two and three dimensional shapes. They create arguments to prove the theorems are true.
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Circle, Secants
Students identify the secant segment of a circle. In this geometry lesson plan, students investigate secant lines formed outside the circle. They use Cabri software to create drawings and explore circles and secants.
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Exploring Chords: Products of Chord Segments
Students identify the properties of chords. In this geometry lesson plan, students multiply chord segments to find the solution to their problem. They construct two chords that cross on a circles.
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Fun With Fractals
Students use fractals to analyze nature. In this geometry lesson, students work in groups using technology and math to communicate. They identify where in the real world fractal can be seen.
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"That's a Musician!"
First graders investigate the function of pattern as it applies to music, dance and visual art, and participate in activities that demonstrate the patterns found in each art form. They then focus on identifying musicians by the "tools"...
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Polygon Necklaces
Students explore geometry by creating jewelry in class. In this polygons instructional activity, students identify different shapes and characteristics while creating polygon figures from construction paper. Students utilize a...
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Golden Connections
Students determine the ratio of pairs of consecutive terms in the Fibonacci Sequence. Using four different colors, they create a golden rectangle in either two or three dimensions. They use photographs to create two collages using...
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Investing
Students collect data on investments and draw conclusions. For this algebra lesson, students analyze exponential graphs as they relate to money. They discuss the cause of an account balance being high or low.
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The Absolute Truth
Students solve problems of inequalities and equations. In this algebra instructional activity, students add, subtract, multiply and divide to solve inequalities. They graph their solutions on a number line.
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Down on the Ocean Floor
Students build a map of the Atlantic Ocean floor and mark the different depths. In this ocean floor lesson students identify parts of the ocean floor that they created and discuss patterns that they see.