Curated OER
Identifying Lines of Symmetry
Students calculate the lines of symmetry using polygons. In this geometry lesson, students graph, compare and estimate using collected data. They identify different attributes to the polygons based on their sides.
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Studying Special Segments in Triangles
Young scholars investigate special segments in triangles. In this geometry lesson, students graph, compare, estimate and predict findings based on their data. They differentiate between similarity and congruence of triangles.
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What are the Chances: A Game of Chance!
Sixth graders experiment with dice, playing cards, pennies and computer-generated simulations to calculate probability. They use compiled data to make predictions.
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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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Journey of the Nez Perce
Students study the retreat of the Nez Perce Native Americans into Montana while tracing their journey on a map. They use the law of cosines to solve problems based on the navigational methods of the Nez Perce. They work with both the law...
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Clock Arithmetic and Cryptography
Students explore the concept of modular arithmetic and cryptography. In this modular arithmetic and cryptography lesson, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Students exchange their ciphers...
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Literal Equations
Students explore Literal Equations. In this literal equations lesson plan, students use the Internet to connect to links and solve linear equations. Students investigate, analyze and record their findings on various activity worksheets.
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Basketball: Number Sense
Third graders explore their addition and subtraction skills. For this number sense lesson, 3rd graders analyze different scoring possibilities for a basketball game. This lesson incorporates the use a video titled "Blossom and...
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Immigration Graphs
Fourth graders study immigration. In this graphing lesson, 4th graders make a population graph of people who have immigrated to Indiana.
Pennsylvania Department of Education
Tetrominoes and Translations
Students explore geometry by participating in a pattern identification activity. In this tetrominoes instructional activity, students define the characteristics of congruent and symmetrical shapes. Students practice translating shapes...
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Probability and Statistics
Young scholars reason mathematically as they solve problems dealing with probability of an even occurring. In this probability instructional activity, students differentiate between different rankings of candidates running for...
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Subtracting Whole Numbers
Second graders practice subtracting numbers by using a visual aide. In this number sense lesson, 2nd graders complete whole number subtraction problems by utilizing manipulative cubes to visualize the equation. Students...
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Comparing Fractions
Students discuss the nature of fractions and compare fractions based on a similar whole to determine relative size.
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Misleading Graphs Lesson Plan
Students design and build water balloon catchers from random scrap materials, while taking into consideration a multitude of variables including: cost, maintenance, total capacity, etc.
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Venn Diagram and Shape Sorting Lesson Plan
Students use Venn diagrams to represent classifications of shapes and to use counting arguments to find the number of objects in a given set.
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Number Base
Eighth graders examine common number system bases that are used: decimal, binary, octa and hex. They create a presentation about one of the number systems using the internet to research the topic. They solve mathematical computations.
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Inequalities Involving Absolute Value
Pupils solve and graph inequalities involving absolute value. They discuss and identify the basic properties of inequalities, and solve basic examples.
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Quilt Squares
Students research the history of the quilt in American History and view a PowerPoint Presentation. They create a quilt square with colored paper using polygons, transformations, rotations, and reflections on the computer and on a...
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Area Explorations
Learners explore the concept of area. In this area lesson, students find the area of irregular shapes with right angles. Learners break down each irregular shape into multiple regular shapes in order to find the area. Students...
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The Mandelbrot Set
Learners explore the concept of Mandelbrot sets and Julia sets. In this Mandelbrot and Julia set lesson, students use a function integrator applet to investigate two-variable function iterations. Learners use Julia set and Mandelbrot set...
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Elapsed Time Two
Learners study how to calculate elapsed time. For this elapsed time lesson, they determine how to calculate the ending time of an event when they are given the starting time and the elapsed time. They participate in direct instruction,...
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Using Concept Maps to Design 3D Spheres
Young scholars create three dimensional shapes using concept maps. In this geometry lesson, students investigate the impact of mental schemas on humans. They collect data on this topic and plot their data on a coordinate plane.
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Circle Art
Young scholars investigate two and three dimensional shapes. In this geometry lesson, students write equations of circles and graph them correctly. They create pictures using circles.
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Making Parallel Lines
Students differentiate between parallel and perpendicular lines. In this geometry lesson, students make conjectures and apply it to solve real life situations. They collect data and make predictions based on the data.