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Fractions and Halves

For Teachers 4th
Fourth graders examine halves of a whole and discover through activities that they must be exactly equal in size. Working with Geoboards and Dot-Paper Squares, the class practices finding halves that are both congruent and incongruent.
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Russian Dolls Investigation

For Teachers 2nd - 5th
Students measure a set of Russian dolls using the metric system. In this measurement lesson plan, students identify certain relationships between sets of measurements by measuring a set of Russian dolls and presenting their findings to...
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Lines, Segments, and Rays

For Teachers 5th
Fifth graders use their arm, toothpicks, and marshmallows to create lines, segments, and rays. In this lines, segments, and rays lesson plan, 5th graders learn how these appear on a plane.
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Capacity and Volume

For Teachers 2nd
Second graders estimate capacities, compare pints and quarts, and identify pints and quarts.
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Slope Right Up

For Teachers 6th - 8th
Students use triangles to find the length and slope of each side. After connecting the vertices, they add points based on their specific instructions. They use the Pythagorean Theorem to complete a worksheet to end the lesson.
Worksheet
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2 Digit Subtraction Worksheets with Regrouping

For Students 2nd - 3rd
In these subtraction worksheets, students will subtract single and double digit subtrahends from double digit minuends. Students will need to regroup to solve.
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The Chaos Game

For Teachers 6th - 12th
Students measure and predict the behavior of a fractal.  In this investigative instructional activity students divide into groups, and participate in an activity that includes drawing triangles and coloring vertices. 
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Color the Trucks

For Teachers K - 1st
Young scholars become familiar with the jobs of different types of trucks.  For this color of trucks lesson, students decorate trucks with decorations based on the job of the truck.  Young scholars describe the trucks they've...
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Exploring Projective Geometry

For Teachers 7th - 8th
In this exploring projective geometry worksheet, learners use computer software for instruction, then answer 9 questions about 3D drawings.
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Fishing For Fun

For Teachers 2nd
Second graders categorize fish crackers into groups by color and compare the two groups using the symbols <, =, and >. They use concrete objects to solve number sentences with equalities and inequalities.
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Sum of Interior/Exterior Angles with Wilbur

For Teachers 7th - 10th
Learners identify the interior and exterior measures of polygons. In this geometry lesson, students identify the formula for interior angles of polygons. They differentiate between triangular and polygons angles.
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Neat Feet

For Teachers K - 2nd
Students view a video and discuss different kinds of feet found in the animal kingdom. They make prints using paint, rubber stamps and their own feet and then measure and compare the tracks.
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Introduction to Fractals: Infinity, Self-Similarity and Recursion

For Teachers 9th - 12th
Learners think about several of the concepts from fractals, including recursion and self similarity. They use mathematical concepts of line segments, perimeter, area and infinity are used, and skill at pattern recognition is practiced.
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Volume Of A Prism

For Teachers 8th
Eighth graders investigate the concept of a prism and finding the volume. They begin the inquiry by attempting to find the surface area in order to begin the inquiry. Students are expected to apply memory for the mathematical formulas in...
Worksheet
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Interpreting Data

For Students 7th - 8th
In this interpreting data worksheet, students solve and complete 4 different types of problems using different data types. First, they collect raw data from a paragraph shown. Then, students identify the examples of two different types...
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Mapping Your School Site

For Teachers 2nd - 8th
Students map a map of their school. In this school map lesson plan, students make a map of their school, record major features, and not wildlife on the school grounds.
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Using Density to Identify Wood Types

For Teachers 7th - 8th
Students identify different woods based on their density. In this density lesson plan, students use a triple beam balance to find the mass and a metric ruler for the volume. They look through various wood blocks and identify what type of...
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Now You See Me, Now You Don't

For Teachers 2nd
Second graders develop an awareness of the power of their minds to work with visual images. All the activities in this unit help strengthen visualization that is an important tool or process in Geometry.
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Cleopatra

For Teachers 7th - 12th
Learners construct a three-dimensional model of the Pantheon.
Worksheet
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Identify Triangles: Acute, Right, Obtuse, Straight

For Students 5th - 6th
In this triangles worksheet, students draw angles with given measurements and identify each as either acute, right, obtuse or straight. A reference web site is given for additional activities. 
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Ancient World

For Teachers 6th
Sixth graders play a powerpoint jeopardy game. This can be used as a test or as a way to review information. This is a culminating test for our unit on Ancient Worlds. The jeopardy game is based on goals in math, language arts, and...
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Toothpick Bridges

For Teachers 7th - 10th
Students study the techniques of building a bridge. They explore different type of bridges and then plan and build a bridge to specified instructions. Students draw plans, keep a budget, and prepare balance sheets during their bridge...
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Geometry /Tessellations

For Teachers 6th - 8th
Students investigate the concept of tessellations and how they are formed using angles. They categorize how different patterns do and not tessellate and separate them into two different places for assessment. The teacher draws examples...
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Geo Jammin' By DeSign - Day 3, Lesson 13: Reflections

For Teachers 2nd - 3rd
Students use current knowledge to predict the meaning of line of symmetry. They explore symmetry using mirrors.