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Worksheet
Curated OER

Organic Chemistry

For Students 10th - Higher Ed
For this organic chemistry worksheet, students solve 20 problems including isomer structure, functional groups, types of reactions and the polymers that make up the structures of organic molecules.
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Lesson Plan
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Sports Helmets and Impact Testing of Polymers

For Teachers 5th - 9th
Students examine the importance of good quality safety gear. In this investigative lesson, students will tests various polymers, collect data, and analyze the data to determine which polymer is best for safety helmets. They will design a...
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Lesson Plan
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Investigation 2: hat is the Root Word?

For Teachers 4th - 6th
For this identifying the base words worksheet, young scholars read two columns of words and write their root words, use a dictionary to find new words that use the root words from the word list, and read common prefixes and create new...
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Worksheet
Curated OER

Midpoints and Bisectors

For Students 9th - 10th
In this geometry activity, learners calculate the midpoints of polygons using coordinate pairs. They find the  angle bisector, altitude and median of the given triangles. There are 33 questions.
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Lesson Plan
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Circles and Angles

For Teachers 9th - 11th
Students identify tangents, chords and secants. In this geometry lesson, students graph circles and identify angles created by secant lines, tangent lines and chords.
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Lesson Plan
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Cutt-Off Genes

For Teachers 9th - 12th
Students explore how gene sequence analysis can be used to examine phylogenetic similarities of different organisms. Students work in groups to simulate a gel electrophoresis separation of fragments using poster board to create their gel.
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Worksheet
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Circles

For Students 10th
In this circles worksheet, 10th graders solve and complete 20 different problems related to various circles. First, they find the radius and diameter of a circle with a given circumference. Then, students determine the measure of each...
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Worksheet
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Lines and Line Segments

For Students 6th - 10th
In this lines and line segments learning exercise, students solve 6 word problems where they identify lines and line segments, draw rectangles made of line segments, and define perpendicular and intersecting lines. The problems require...
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Worksheet
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Inequalities

For Students 10th
In this inequalities worksheet, 10th graders solve and complete 23 various types of problems. First, they find the area of an inscribed square in a circle shown. Then, students find the total area of the inscribed polygon and deduce...
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Lesson Plan
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Create a Composition

For Teachers 2nd - 6th
Students select an instrument and create a musical composition. In this musical composition lesson, students invent an original piece of music that is 16 measures long. Students hum and record their pieces.
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Lesson Plan
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Math B Regents Questions by Performance Indicator: Logarithms

For Teachers 10th - 12th
In this logarithms worksheet, students solve logarithm equations.  They read story problems and find equivalent expressions to given logarithms.  This three-page worksheet contains 13 problems.  Answers are provided on the last page.
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Lesson Plan
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Geometry Regents Questions: Isosceles Triangle Theorem

For Teachers 9th - 12th
In this isosceles triangle worksheet, students solve 19 multiple choice and short answer problems.  Students use the isosceles triangle theorem to determine unknown angle measures.
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Interactive
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Similar Figures

For Students 7th - 10th
In this similar figures worksheet, learners identify the meaning of similar, corresponding sides, and congruent.  They use proportions to find the length of a missing side.  Students dilate given figures according to a scale factor. ...
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Interactive
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Concurent Circles I

For Students 9th - 12th
In this concurrent circles using GeoGebra worksheet, students solve 2 short answer problems. Students construct concurrent circles using the GeoGebra software and determine why their construction of circles are concurrent. Students...
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Worksheet
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The Relationship Between Slope and Perpendicular Lines

For Students 8th - 9th
In this perpendicular lines worksheet, students explore the relationship between perpendicular lines and slope in eight exercises and two worked examples.  The solutions are provided.
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Lesson Plan
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Median of a Trapezoid

For Teachers 8th - 10th
Students find the median of trapezoids and other polygons. In this geometry instructional activity, students identify important properties of trapezoids. They create trapezoids and polygons using Cabri software.
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Worksheet
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Properties of Geometry

For Students 10th
In this properties of geometry worksheet, 10th graders solve and complete 12 different problems that include various theorems. First, they draw a figure that illustrates the SAS inequality property. Then, students prove that two line...
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Worksheet
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Right Triangles

For Students 10th
In this right triangles worksheet, 10th graders solve and complete 12 different types of problems. First, they solve for a variable given each of the right triangles with the sides as indicated. Then, students determine the shorter...
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Lesson Plan
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Creative Dance Assessment

For Teachers 7th - 8th
Students express their knowledge of the vocabulary of creative dance by creating and performing a group dance.
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Worksheet
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Angles: Prove It!

For Students 5th - 6th
In this angle worksheet, learners first draw a set of intersecting lines, then use a protractor to complete a set of instructions about angles and answer related questions. Answers included on page 2.
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Interactive
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A Trying Triangle Problem

For Students 8th - 10th
In this geometry worksheet, students calculate the length of the sides of a given triangle. They also find the perimeter and area of the triangles given its side values. There is an answer key with this problem.
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Lesson Plan
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Investigating a Point on an ANgles Bisector

For Teachers 7th - 9th
Students investigate points and angle bisectors. In this geometry lesson, students define angles, bisectors and perpendicular bisectors. They analyze angles and bisectors using Cabri software.
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Worksheet
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Factoring Perfect Squares

For Students 9th - 10th
In this factoring learning exercise, students factor perfect squares. Explanations and examples are provided at the beginning of the learning exercise. This two-page learning exercise contains ten problems.
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Worksheet
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Geometry: Angles

For Students 11th - 12th
In this angle worksheet, students find the value for a given variable. They use similar figures, alternate interior angles, side angle side, and other geometric theorems and proofs to determine the value of the given variable. This...

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