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Investigation - Who is Right?

For Teachers 3rd
Third graders explore mathematics by solving problems in groups. For this math functions lesson, 3rd graders demonstrate their understanding of addition and subtraction by completing two digit math problems. Students define a list of...
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The Entrepreneur's Game

For Teachers 12th
Twelfth graders explore the basic principles of the US free enterprise system. They examine the basic principles of the US free enterprise system including profit motive, voluntary exchange, private property rights, and competition.
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Magical Shapes

For Teachers 1st
First graders practice manipulating shapes into different locations. They see that even though shapes may look different when they are moved into different locations, the shape remains the same with the same properties. They make...
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Mathematics: Prime and Composite Numbers

For Teachers 6th
Sixth graders explore how to apply the commutative property and the rules of divisibility. They examine the difference between prime and composite numbers.
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Inequalities Involving Absolute Value

For Teachers 9th - 12th
Students solve and graph inequalities involving absolute value. They discuss and identify the basic properties of inequalities, and solve basic examples.
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Slope Calculation

For Teachers 8th - 10th
Students compute the slope of a line that passes through two points and explain how the slope formula is derived. They determine properties associated with positive, negative, undefined, and no slope.
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Slope Calculation

For Teachers 7th - 9th
Students compute the slope of a line based on the coordinates of two points on the line. In addition, they examine the relationship between the numerical value of slope and its properties on a graph.
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Tessellations: Geometry and Symmetry

For Teachers 9th - 12th
Students examine tesselllations and their geometric properties. They have a better knowledge of polygons, can identify types of symmetry in tessellations. Also students use visulization, spatial reasoning, and geometric modeling to...
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Explorations with Shapes

For Teachers K
Students describe, identify and compare two-dimensional figures. They also name and demonstrate the relative position of objects using directional words. They sort and compare two-dimensional figures and three-dimensional objects...
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Algebra I: Multiplying Polynomials and Factoring

For Teachers 8th - 12th
Learners use concrete models (algebra blocks) to demonstrate their processes for solving quadratic equations. They apply the commutative, associative, and distributive properties to simplify algebraic expressions and to solve quadratic...
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Popcorn

For Teachers K - 1st
Students discuss the properties of popcorn. They explore the connection between corn, popcorn and Thanksgiving. As a class, students sing a popcorn song and create a popcorn craft. They practice writing the word popcorn. As a...
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GEOMETRY UNIT

For Teachers 9th - 12th
Students, through investigation facilitated by dynamic geometry software, determine geometric properties and relationships involving two-dimensional shapes, and apply the results to solving problems.
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Geometry and Shapes

For Teachers 4th
Fourth graders are asked to name different shapes.Four to five students to share their answers with the class. The teacher leads the discussion in geometry about the properties associated with shapes.
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Equations With Radical Expressions

For Teachers 10th - 12th
Students solve systems of equations with radical expressions. After reading real life situation, they translate the problem into algebraic expressions. As a class, students solve quadratic equations and inequalities by graphing and...
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Drawing Regular Polygons

For Teachers 9th - 12th Standards
Learners investigate properties of regular polygons. In this geometry instructional activity, your class will use a graphing calculator and parametric equations to construct regular polygons and investigate the relationship between the...
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The 1 That Got Away

For Teachers 1st - 3rd
Pupils explore number properties. They using multilink blocks to explore doubling of the numbers and explore the patterns to investigate 2 to the power of n and how it is written. In addition, they usse the 100s board, number line and...
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What Are Elements?

For Teachers 3rd - 7th
Students investigate elements by by defining scientific terms.  In this Periodic Table of Elements lesson, students utilize a glass of water, and powdered fruit drink to perform a lab activity demonstrating properties of certain...
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Logariths

For Teachers 11th - Higher Ed
Learners analyze, discuss and memorize the properties of logs. In this calculus lesson, students apply the rules of logs while playing a timed game to see which group can write the equations correctly. They walk away from this lesson...
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Law of Cosines

For Teachers 7th - 9th
Students model scenarios using functions and their properties. In this trigonometry activity, students calculate the angles of sine, cosine and tangent. They perform operation using a calculator.
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Circle Packing

For Teachers 9th - 10th
Students identify different parts and properties of circles. In this geometry lesson, students identify the radius, diameter, semicircle and inscribed angle of a circle. They identify the tangent lines to a circle.
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Hospital Locator

For Teachers 7th - 9th
Students apply properties of triangles to the real world. In this geometry instructional activity, students identify the median and angle bisectors of triangles. They plan the appropriate are to place a new medical center based on their...
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Diagonals of Quadrilaterals

For Teachers 9th - 10th
Students find the diagonals of the quadrilaterals. In this geometry lesson plan, students identify and use properties of quadrilaterals. They define different parts of a quadrilateral shape.
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Square Graphs

For Teachers 7th - 11th
Students identify the different properties of quadrilaterals. For this geometry-lesson, students define parallel sides and diagonals of polygons as they compare to a quadrilateral. They identify the methods to find the angles in a...
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Line, Ray, Segment

For Teachers 9th - 12th
Students define vocabulary words. In this geometry activity, students identify the graph as a line, ray or segments. They understand the properties of each and calculate the distance on a number line. 

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