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Congruence with Robot Gobot

For Teachers 8th - 10th
Learners identify the properties of solids and polygons. In this geometry lesson, students identify the different measurements of a triangle. They use congruence parts and theorem to prove their answer.
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Quadrilateral Bunny

For Teachers 9th - 11th
Students identify the properties representing quadrilateral. For this geometry lesson, students differentiate between special and regular quadrilaterals. They discuss and demonstrate hierarchy of quadrilaterals.
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Classifying Polygons

For Teachers 1st - 3rd
Students study polygons. In this math lesson, students play a game in which they learn the classification system for polygons. Students identify the properties of quadrilaterals.
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Lines In Geometry

For Teachers 8th - 10th
Students define important vocabulary words using a dictionary. In this geometry lesson, students identify and use properties of triangles to solve problems. They identify the median. altitude and angles as well as properties of...
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Multiplying Polynomials

For Teachers 9th - 10th
In this multiplying polynomials worksheet, students multiply polynomials by a single term. This two-page worksheet contains examples, followed by ten problems.
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Geometry: Classifying Quadrilaterals

For Teachers 6th - 12th
Students use construction technology to identify and find relationships between the attributes of various quadrilaterals. They make and test conjectures about the distinguishing properties of parallelograms, rectangles, rhombuses,...
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Concurrent Lines in Triangles

For Teachers 9th - 12th
Students explore the concept of concurrent lines in triangles. For this concurrent lines in triangles lesson, students work in groups to investigate properties of concurrent lines in acute, right, and obtuse triangles. Students use a...
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Geometry, Measurement & Reasoning

For Teachers 9th - 11th
Students construct two-column proofs. In this geometry lesson, students use deductive reasoning and geometric properties to justify given geometric statements. Students compare and contrast proofs.
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Solve algebraic proportions.

For Teachers 8th - 10th
Students solve algebraic proportions. In this algebra instructional activity, students convert between fractions, percents and decimals. They solve problems using the distributive property.
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Quadrilateral Review

For Teachers 8th - 10th
Students identify the properties of quadrilaterals. In this geometry lesson plan, students investigate the history of quadrilaterals and different types of quadrilaterals. They identify the length and mid-segment of each shape.
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"The Greedy Triangle" by Marilyn Burns

For Teachers 4th - 6th
Students review angles, sides, and properties of basic shapes. Using a geoboard, they make as many different tirangles as possible.
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Multi-Digit Multiplication

For Teachers 4th
Fourth graders practice mastering the ability to multiply multi-digit numbers utilizing rectangular arrays and a variety of mental math strategies. They model and illustrate meanings of multiplication and division of whole numbers and...
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Types of Things

For Teachers K
Students explore the differences between man-made and natural objects. In this lesson designed to compare properties of objects, students differentiate between natural and man-made objects and complete an activity designed to show what...
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100 Stamps for 100 Days

For Teachers K
Students recognize similarities and generalize patterns. In this math and technology lesson plan, students develop an understanding of number patterning by grouping stamps and counting by 10s.
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Do it With Dominoes

For Teachers K - 2nd
Students explore modes for addition.  In this K-2 mathematics instructional activity, students investigate the four models of addition (counting, sets, number line, and balanced equations) using dominoes.  Students examine the...
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Euler Characteristic

For Teachers 9th - 11th
Students identify the different properties of Euler's Characteristics. In this geometry lesson, students identify the shape and surface a polygon. They relate the concept of Euler to solving real world problems.
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Technology Integrated Lesson

For Teachers 8th - 10th
Students investigate symmetry in the real world. In this geometry lesson, students inter-relate math and technology. They create and name a variety of polygons.
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Get a Line on Integers

For Teachers 6th - 8th
Middle schoolers explore number sense by completing math function problems in class. In this integers lesson, students define integers and practice plotting them on a number line. Middle schoolers utilize math functions such as addition...
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Big Bones, Little Bones

For Teachers 1st - 4th
Learners investigate archeology. In this archeology instructional activity, students research the process of excavation. Learners participate in a mock-excavation and sort objects by physical properties.
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Using Objects to Object to Objectification

For Teachers 7th - 9th
Learners use math functions in part to complete a metaphorical lesson on tolerance. In this math and tolerance lesson, students receive rows of functions and try to find a single simple shared property without success. Learners then...
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Geometry in Tessellations

For Teachers 3rd - 12th
Students examine tessellations and their geometric properties. Students explore the concept of tessellations and lines, planes, angles, and polygons. Students experiment with the area and perimeter of polygons. Students analyze...
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The 3R's: Rights, Rules, and Responsibilities

For Teachers 8th
Eighth graders complete seven work stations that highlight math activities while they focus on the rules for Internet use and classroom rules for working in cooperative groups. After completing the activities, they complete a self-...
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Multiplying Polynomials - FOIL

For Teachers 9th - 11th
Students participate in an activity to demonstrate the distributive property. They take notes as they observe different methods of FOIL. Afterward, students work on their own, and in groups to determine which method to use and complete...
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Introducing Angles

For Teachers 6th
Sixth graders identify, compare and interpret the characteristics of polygons and angles in order to meet spatial sense, geometry and measurement standards. They also sort shapes into three categories, polygons (regular and irregular)...

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