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Clock Arithmetic and Cryptography

For Teachers 8th - 10th
Students explore the concept of modular arithmetic and cryptography. In this modular arithmetic and cryptography lesson, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Students exchange their ciphers...
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Estimation

For Teachers 4th - 6th
Learners explore the concept of estimation. In this estimation lesson, students discuss making estimates through teacher led discussion. Learners use the Internet to complete an activity where they must estimate the length of lines.
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Fire!, Probability, and Chaos

For Teachers 7th - 10th
Students explore the concept of probability. In this probability instructional activity, students simulate a controlled forest burn using an applet. Students vary the probability of trees burning and predict what will happen.
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Fractals and the Chaos Game

For Teachers 9th - 12th
Students explore the concept of fractals. In this fractals lesson, students play the "Chaos Game" via an applet. Students place dots on the screen to recognize that they have created Sierpinski's Triangle.
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Fraction Facts

For Teachers 6th - 8th
Students explore the concept of fractions. In this fractions instructional activity, students perform basic operations such as addition and subtraction with fractions. Students play a game on the computer called 'Fraction Four' that...
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Functions and the Vertical Line Test

For Teachers 8th - 12th
Students explore the concept of functions. In this function lesson, students determine if the graph is a function by using the vertical line test. Students use an applet to explore the vertical line test on a variety of graphs.
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Introduction to Fractals: Geometric Fractals

For Teachers 9th - 12th
Students explore the concept of fractals. In this fractals lesson, students discuss Sierpinski's Triangle using an applet. Students discuss the patterns involved with fractals. Students discuss the area of Sierpinski's triangle as the...
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More Complicated Functions: Introduction to Linear Functions

For Teachers 9th - 12th
Students explore the concept of linear functions. In this linear functions lesson, students translate linear functions from tables to graphs to equations. Students use an applet to write a function rule for a linear function in...
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Perimeter

For Teachers 3rd - 7th
Young scholars explore the concept of perimeter. In this perimeter lesson, students discuss how to find perimeter of various shapes. Young scholars use the Perimeter Explorer applet to find the perimeter of various shapes.
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Probability and Sports

For Teachers 8th - 11th
Students explore the concept of probability in sports. In this probability in sports lesson, students research a sport that they enjoy. Students find probability information related to their sport. Students share their findings with the...
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Recognizing Patterns

For Teachers 6th - 8th
Middle schoolers explore the concept of patterns. In this patterns lesson, students use applets to manipulate tessellations. Middle schoolers predict the next number in a sequence by recognizing patterns.
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Statistics and Shopping

For Teachers 7th - 8th
Students explore the concept of using consumer data and statistics to aid in the consumer decision making process. In this consumer data and statistics lesson, students research consumer data and statistics. Students analyze the data...
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The Mandelbrot Set

For Teachers 10th - 12th
Students explore the concept of Mandelbrot sets and Julia sets. In this Mandelbrot and Julia set lesson, students use a function integrator applet to investigate two-variable function iterations. Students use Julia set and Mandelbrot set...
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The Bell Curve

For Teachers 9th - 12th
High schoolers explore the concept of the bell curve. In this bell curve instructional activity, students discuss the controversy associated with the bell curve. High schoolers use an applet to explore a normal distribution. Students...
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Bar Graph Lesson

For Teachers 4th - 6th
Students make a bar graph. For this graphing lesson, students discuss why bar graphs are used and are shown bar graph examples. Students create their own bar graph to compare the heights of different things around the world. Students...
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Figuring Elapsed Time

For Teachers 6th - 7th
Students discover the concept of elapsed time. In this calculating time lesson plan, students utilize the Internet to complete record sheets based on the concept of elapsed time. Finally, the students answer questions on their own.
Lesson Plan
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Elapsed Time Two

For Teachers 3rd - 4th
Students study how to calculate elapsed time. In this elapsed time lesson, they determine how to calculate the ending time of an event when they are given the starting time and the elapsed time. They participate in direct instruction,...
Worksheet
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Intermediate Level: Clauses and Sentence Structure

For Students 6th - 7th
In this clauses and sentence structure worksheet, students read 5 sentences and underline the independent clauses and circle each dependent clause. Students then read 15 sentences and indicate if there are any grammatical errors.
Worksheet
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Word Order Practice – Chapter Six

For Students 6th - 8th
For this reading skills worksheet, middle schoolers read 8 sentences in order to determine whether the word order is correct. If a sentence's word order is not correct, students make the necessary corrections.
Worksheet
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Article Review

For Teachers 5th - 7th
In this article review activity, students are given a passage they must correct for errors. Students correct mistakes in the articles usage in the passage provided.
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Conversation Completions

For Students 4th - 5th
In this conversation completions worksheet, learners fill in the blank with the letter of the phrase that logically completes each conversation about world travel.
Worksheet
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Intermediate Level: Clauses and Sentence Structure

For Students 4th - 8th
In this clauses and sentence structure instructional activity, students identify independent and dependent clauses. Students correct sentences that contain errors in structure.
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Clauses and Sentence Structure

For Students 5th - 6th
For this clause and sentence structure worksheet, students identify independent and dependent clauses, then determine whether or not sentences contain errors.
Worksheet
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Prince William's Oily Mess: A Tale of Recovery

For Students 5th - 7th
In this environment worksheet, students explore the effects of the Exxon Valdez oil spill. Students read and study text and photographs about the 1989 spill. Students answer 6 essay questions.

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