Curated OER
The Pythagorean Theorem
Learners create both a visual and formal proof of the Pythagorean theorem, as well as view four additional geometric demonstrations of the theorem. They construct a square and conjecture the following theorem: The sum of the areas of...
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Exploring Centers of a Triangle: Part 2
Learners model and solve a real-world problem by constructing the centroid of a triangle. They explore relationships of the medians of a triangle and investigate how the centroid partitions each of the medians. Students investigate...
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Exploring Infinite Series through Baravelle Spirals
Students are introduced to the concept of convergent infinite series using a recursive geometric construction. They explore the concept of a convergent infinite series using partial sums. Students use formal calculations, visualizations,...
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Factoring Trinomials
Students factor trinomials using algebra tiles and blocks. In this algebra lesson, students complete a trinomials station activity. They work backwords to find their answers and discuss their steps in a group.
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Band Tour Across America
Students plan the trip of a band across America. In this money planning lesson, students create a budget for the band using excel basic functions. They manage the band and its budget and relate the tour to future budgeting needs of the...
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Oodles of Poodles
Students solve equations by graphing. In this algebra lesson, students differentiate between functions and relations. They use the TI to graph their equation and analyze the graph.
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Home Sales Records
Teach your class how to calculate monthly payments on a home mortgage. In this percent lesson, young scholars calculate the monthly payment on a home mortgage, and compare different lengths of time and the interest rates for national...
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Pasta Bridges
Students analyze the correct use of technology as it relates to math and science. In this science lesson, students investigate force and weight as it relates to building an object. They build a bridge and draw conclusion based on the...
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What Do We Do With A Dirty Bomb?
Students examine composition of dirty bomb and its possible effects on a city, and investigate simulations of such an event; students use computational and problem solving skills to assess damage and prepare report proposing solution to...
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Around The Stop Sign
Students analyze a drawing of a regular octagon inscribed in a circle to determine angle measures, using knowledge of properties of regular polygons and the sums of angles in various polygons to help solve the problem. They use...
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Count The Letters
Students perform activities involving ratios, proportions and percents. Given a newspaper article, groups of students count the number of letters in a given area. They use calculators and data collected to construct a pie chart and bar...
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Valentine Shop
Students use Coin Critters software to practice coin recognition. Students complete a printing project for the cover of Valentine cards and use monthly calendars or a hundreds chart to count by 5's and 10's. Students use KidPix to create...
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The Apple Orchard Problem
Students explore various approaches to solving a problem of maximizing the total production of apples in an orchard. In this apple orchard lesson, students collect data in order to solve the apple orchard problem presented. Students plot...
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Excel Lesson
Students investigate Microsoft excel. In this technology lesson, students create formulas using excel and apply these formulas to solve relative, absolute and mixed reference cells. They perform immediate and delayed calculations.
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The "Art" of Baseball
Students investigate the art of baseball. In this sports lesson, students discuss their thoughts about the sport of baseball and create a baseball word list. Students use pattern blocks and drawing paper to create a...
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Around We Go!
Students make accurate measurements and calculations of measuring the area an perimeter of a section of the floor accordingly. They use appropriate measurement and calculation strategies to write a complete a clear explanation for how...