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Clock Arithmetic and Cryptography

For Teachers 2nd - 5th
Students perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Students apply their multiplication, division, addition, and subtraction skills.
Worksheet
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Expressions and Operations

For Students 9th
In this expressions and operations worksheet, 9th graders solve and complete 10 different multiple choice problems that include various types of expressions. First, they determine the complete factorization of a given trinomial. Then,...
Worksheet
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Mental Math: Multiplying Multiples of 10, 100, and 1,000

For Students 4th
Fourth graders practice mental math in this Multiples of 10, 100, and 1,000 worksheet. Students solve twelve multiplication problems by applying patterns with zeroes. The worksheet includes a review with examples of the patterns with zeros.
Lesson Plan
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Multiplication Math Problems

For Teachers 2nd - 4th
In this multiplication worksheet, students problem solve 62 multiplication math problems involving multiples of 3, 4, 5, 6 and 9.
Worksheet
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Math Vocabulary Definitions-Multiple Choice

For Students 4th - 6th
In this math vocabulary activity, students complete 15 multiple choice problems, choosing the correct definition for a set of math terms. A reference web site is included for additional activities. 
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Algebra I: Multiplying Polynomials and Factoring

For Teachers 8th - 12th
Young scholars 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...
Lesson Plan
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Exploring Folk Traditions and Folk Beliefs

For Teachers 9th
Ninth graders work together to brainstorm an idea to focus on the similiarties and differences between various cultures. Individually, they interview family members using questions they created based on their topic. They use their...
Lesson Plan
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Chapter 15: Science and the Mass Media

For Teachers 9th - 12th
In this science and mass media in America worksheet, students complete 12 fill in the blank questions and 6 multiple choice questions regarding the culture of United States
Lesson Plan
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The Economy and Politics

For Teachers 10th - 12th
In this economy and politics sociology worksheet, learners complete 14 fill in the blank questions and 7 multiple choice questions regarding the how businesses operate in different economies and under various political control.
Worksheet
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States of Matter and Gas Laws

For Students 10th - Higher Ed
In this matter activity, students review the states of matter and the gas law formulas and equations. Students then complete 7 multiple choice questions and 6 problems.
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Math Vocabulary Antonyms and Synonyms Worksheet

For Students 3rd - 6th
In this math vocabulary activity, students write antonyms and synonyms for math vocabulary words. Students write antonyms and synonyms for 15 words.
Lesson Plan
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Ecology and the Conservation of Natural Resources

For Teachers 7th - 9th
Students examine the components of ecosystems. They compare and contrast an ecosystem to an aquatic ecosystem. They examine a local ecosystem and discuss its components.
Lesson Plan
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Design That Makes a Difference: Focus on Shelters and Water

For Teachers 9th - 11th
Students analyze three different types of temporary shelters and their designs for environmental factors. In this shelter design lesson, students analyze how designers address environmental problems for homeless or refugees. Students...
Worksheet
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Rational Expressions: Add and Subtract

For Students 9th - 12th
In this rational expression worksheet, students add or subtract rational expressions by finding common denominators. There are 11 multiple choice questions.
Lesson Plan
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Anthrax Bioterrorism and Health Care

For Teachers 9th - Higher Ed
Students describe the characteristics of anthrax infections, distinguish between the three anthrax forms and analyze the effectiveness of anthrax vaccinations. They relate anthrax to bioterrorism.
Lesson Plan
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1968: Year of Social Change and Turning Point in Vietnam and the United States

For Teachers 11th
Eleventh graders examine the year 1968 in Vietnam and the United States. They work together to research events which they create a timeline. They also read primary source documents of veterans of the Vietnam War.
Lesson Plan
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Prime and Composite Numbers

For Teachers 6th
Sixth graders identify prime and composite numbers and complete an activity problem. Given a 100 chart, they follow directions to create a prime number chart. In groups, 6th graders play a "Prime Take Away" activity to reinforce prime...
Lesson Plan
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INDUSTRY AND THE ENVIRONMENT

For Teachers 7th
Seventh graders create a final project called Industry X (which was previously researched in the unit) has plans to build in town. There is a special town meeting scheduled to discuss this matter and allow everyone to express their...
Lesson Plan
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Multiplying and Dividing Whole Numbers

For Teachers 4th - 8th
In this multiplication and division worksheet, students practice multiplying and dividing whole numbers with different pictures to illustrate their problems. Students complete 29 problems.
Lesson Plan
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Time/Elapsed Time

For Teachers 3rd - 5th
Young mathematicians complete various activities to demonstrate proficiency in telling time and identifying elapsed time. They analyze and discuss television schedules, create a booklet about their daily activities, produce a TV. guide,...
Lesson Plan
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Patterns in Pascal's Triangle

For Teachers 5th - 11th
Students examine the patterns in Pascal's Triangle. For this recognizing lesson, students view a model of Pascal's Triangle and describe the patterns of the multiples. Students identify the shapes that are made within Pascal's Triangle.
Worksheet
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Mountain Math Worksheet

For Students 5th
In this number sense worksheet, 5th graders solve 37 problems based on a given number. Students are asked to round the number, identify the number as even or odd and add 100 to the number.
Interactive
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Prime Factorization

For Students 6th - 8th
In this prime factorization worksheet, students solve 7 multiple choice problems. Students find the prime factorization of 91, 84, 78, 70, 67,63, and 36.
Worksheet
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Regulating Gene Expression

For Students 10th - Higher Ed
In this gene expression worksheet, students read about two transcription factors: activators and repressors. Students complete 1 multiple choice and 5 short answer questions.

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