Curated OER
Similar Situations
Students explore intersecting lines. In this intersecting lines lesson plan, students investigate shapes consisting of parallel, perpendicular, and similar lines. Students investigate these lines in shapes around them.
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Pascal's Triangle
Students explore the concept of Pascal's Triangle. For this Pascal's Triangle lesson, students use an applet called 'Coloring Multiples' to explore Pascal's Triangle. Students develop patterns starting with various numbers in Pascal's...
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The Price is Right
Students, through various activities, explore online databases. Using the internet, students explore the distributors websites. They collect specific information on selected products. An spreadsheet with price comparisons is developed....
Odyssey of the Mind
Odyssey of the Mind Curriculum Activity: Shape-Shifter
Geometry is everywhere, and I mean everywhere! Those skillful mathematicians discuss shapes and then come up with a well-researched list of shapes seen in everyday applications. They put their knowledge of shapes to work as each small...
Discovery Education
Sonar & Echolocation
A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...
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Odd Is In
Pupils play a game with coins and then use reasoning skills to develop a strategy for winning the game.
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Polygons Defined
Fourth graders explore polygons. In this polygon lesson, 4th graders sort polygons according to their properties. Students discover the connection between polygons and the Greek language.
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Visual Structures of Postulates and Axioms in Algebraic Operations
Students investigate Axioms and Postulates. In this proof and linear transformation of equations instructional activity, students explore axioms and postulates to solve linear equations. Students construct game cards to analyze the...
Pennsylvania Department of Education
Links Away: Looking Back and Moving Forward
Students explore fact families. In this math lesson, students use links to model a fact family. Students solve addition and subtraction problems.
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Noughts
Students try to figure out the strategies to the game Noughts. Students logic must play a part in the process of the game. Students apply the symmetries of regular polygons. Students devise ways to critically follow a chain of reasoning.
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Represent Rational Numbers
Students identify expanded notation and scientific notation. In this rational numbers lesson, students use a calculator to discover the powers of 10. Students practice writing numbers in expanded notation using powers of 10. Students...
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Angles Lesson Plan
Learners 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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Who Am I? (Middle School)
Third graders complete a classroom game used to build understanding of two and three-dimensional shapes. Diagonals, sides, regularity, congruency, angle measurements, parallels, perpendicular, faces, and edges are a few of the vocabulary...
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Defining Culture
Second graders define the term culture and are exposed to a variety of cultures from around the world. They read books, play Native American games, develop a class book that examines their own culture and, after examining currencies from...
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Does the falling tree make a sound if no one if there to hear it? (or communication via encryption)
Students 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 and...
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Multiplication Worksheet
In this math worksheet, students practice finding the solutions to the multiplication problems in one digit. They must be familiar with the tables to complete the questions.
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A collection of Addition Lessons
Young scholars solve problems by adding. In this collection of addition lessons, students answer a variety of word problems and utilize addition skills. Links provide access to definitions and sample problems.
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A Fraction of the Possibilities
Students review the conversion of fractions to decimals, develop strategies to compare fractions perform complex calculations using ratio techniques similar to the construction of fractions.
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Doorbell Division
Students explore the concept of division using the book "When the Doorbell Rang." They listen to the book, role-play the dividing of the cookies from the story, and create their own story problem to solve using the stamp program from...
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Parallel and Perpendicular Lines
Tenth graders explore parallel and perpendicular lines. In this geometry lesson, 10th graders investigate the relationships associated with parallel lines and transversals, perpendicular lines, and the angles formed by these lines. ...
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Multiply One-Digits
In this finding the products activity, learners multiply one-digit times one-digit numbers to solve. Students solve 35 problems.
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Mobius Card- An Impossible shape
In this algebra worksheet, students solve word problems using linear equations and algebraic symbols. There is one problem with an answer key.
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Probability and Geometry
Students explore the ways Geometry can help solve probability problems. Students describe platonic solids and practice calculating probability using an online resource. They construct dice with various numbers of sides to demonstrate...