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Time Zones in the United States
Eighth graders explore how to use the time zones in the United States and internationally. They use elapsed time to solve problems. Students calculate the time in various places in the United States. They discuss the 6 time zones in the...
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Sets and the Venn Diagram
Students review number sets and complete a Venn Diagram for number sets. In this number sets lesson, students review integers, whole numbers, and elements. Students use computers to create a Venn Diagram for number sets. Students...
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Probability and Sports
Students explore the concept of probability in sports. For 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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Figuring Elapsed Time
Learners discover the concept of elapsed time. For this calculating time lesson, students utilize the Internet to complete record sheets based on the concept of elapsed time. Finally, the learners answer questions on their own.
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Clock Arithmetic and Cryptography
Students investigate modular clock arithmetic and cryptography. They perform basic operations in modular (clock) arithmetic and encode and decode messages using simple shift and affine ciphers.
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Translations, Reflections, and Rotations
Tenth graders have been introduced to the concepts of translation, reflection, and rotation, and have practiced translating, reflecting, and rotating two-dimensional objects on the coordinate plane.
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Introduction to Linear Functions
Students are introduced to the basic ideas needed for understanding linear functions.
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Graphing and the Coordinate Plane
Students gain practice reading coordinates and plotting points by participating in the Coordinates! Game. They demonstrate and test their skills with graph paper and the Maze Game.
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Comparing Fractions
Students discuss the nature of fractions and compare fractions based on a similar whole to determine relative size.
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Misleading Graphs Lesson Plan
Learners design and build water balloon catchers from random scrap materials, while taking into consideration a multitude of variables including: cost, maintenance, total capacity, etc.
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Modular Arithmetic
Learners investigate modular arithmetic and how to use it to solve real world problems. In this modular arithmetic activity, students use computers to work on modular arithmetic after a teacher guided activity. They complete guided...
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Cartesian Coordinate System
Students explore the concept of the coordinate plane. In this coordinate plane lesson, students graph points on the coordinate plane using an applet. Students graph functions using an applet. Students play a Maze Game where they must...
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Clock Arithmetic and Cryptography
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
Students explore the concept of estimation. In this estimation instructional activity, students discuss making estimates through teacher led discussion. Students use the Internet to complete an activity where they must estimate the...
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Functions and the Vertical Line Test
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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More Complicated Functions: Introduction to Linear Functions
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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Recognizing Patterns
Learners explore the concept of patterns. In this patterns lesson, students use applets to manipulate tessellations. Learners predict the next number in a sequence by recognizing patterns.
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Bar Graph Lesson
Young scholars make a bar graph. In this graphing lesson, students discuss why bar graphs are used and are shown bar graph examples. Young scholars create their own bar graph to compare the heights of different things around the world....
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Estimating With Fire
Students solve problems with percents, decimals and fractions. For this algebra lesson, students convert between fractions, percents and decimals. They estimate their answers and calculate their answer.
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Fraction Facts
Middle schoolers explore the concept of fractions. In this fractions lesson, students perform basic operations such as addition and subtraction with fractions. Middle schoolers play a game on the computer called 'Fraction Four' that...
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Introduction to Fractals: Geometric Fractals
Students explore the concept of fractals. In this fractals instructional activity, students discuss Sierpinski's Triangle using an applet. Students discuss the patterns involved with fractals. Students discuss the area of Sierpinski's...
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Perimeter
Students explore the concept of perimeter. In this perimeter lesson, students discuss how to find perimeter of various shapes. Students use the Perimeter Explorer applet to find the perimeter of various shapes.
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The Mandelbrot Set
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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Fire!, Probability, and Chaos
Students explore the concept of probability. In this probability lesson, students simulate a controlled forest burn using an applet. Students vary the probability of trees burning and predict what will happen.