New Horizons began its journey to Pluto in 2006. Ten years later, it continues its mission. In that time, scholars have surely grown, but how much more will they grow by the time New Horizons reaches its destination? Find out with an...

Physics is phun in this lesson. Young physicists use a lightbox to test how and where light is refracted and reflected as it travels through transparent materials. Angles of incidence and refraction, sine of both angles, and the...

True or false — Double Stuf Oreos always contain twice as much cream as regular Oreos. Scholars first measure the masses of the filling in regular Oreos and Double Stuf Oreos to generate a class set of data. They use hypothesis testing...

Almost every phone has GPS installed, but a large number of teens don't know how the technology works. An initial activity illustrates how GPS determines a location on Earth. Scholars then apply trilateration procedures to a...

Model the transfer of energy during a typical 24-hour period. Young scholars use a game-like approach to learning the patterns of heat transfer through the day and night. Groups of four exchange different tokens as the energy...

Students explore the concept of modular arithmetic and cryptography. For this modular arithmetic and cryptography lesson, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Students exchange their...

Students are introduced to the concept of free enterprise. In groups, they discuss the price of various food items and decide on which item to produce. They calculate the cost of producing the item and share their results with the class.

Ninth graders track the hit count on their favorite web sites.  In this Algebra I lesson, 9th graders record the number of hits on their favorite web site for twenty days.  Students explore the data to determine if the relation...

Fifth graders listen to a story about multiplication and play a multiplication game with counters. In this multiplication lesson plan, 5th graders review all four operations and practice multiplication problems.

Fourth graders complete a worksheet. As a whole class, 4th graders hear a lecture and complete a worksheet on factors, multiplicative inverses and reciprocals, finding the quotient of two fractions and the division of fractions to...

Fourth graders complete a worksheet that asks them to order operations within a mathematical expression. students evaluate the expressions in the correct order using mental math and paper. The results are recorded on the worksheet.

Students observe and solve examples of equations involving radicals. They complete a Doing Battle With Radical Equations worksheet and checklist.

High schoolers practice solving quadratic equations using a form called Complete the Square.

Students explore the concept of Pascal's Triangle. In this Pascal's Triangle lesson, students use an applet called 'Coloring Multiples' to explore Pascal's Triangle. Students develop patterns starting with various numbers in Pascal's...

Students use ratios and proportions to represent quantitative relationships as they investigate the concept of how percentages are used by designers. Students decorate the same room using three different percentages of colors.

Middle and high schoolers have a clarified definition of probability, they explore about outcomes in probability and how to calculate experimental probability. They use computers to learn about probability.

Middle schoolers apply properties of probability to the real world. In this probability instructional activity, learners simulate the construction of empirical distribution. They collect and analyze data using central tendencies.

Upper grade and middle schoolers collect data, analyze and interpret the data. This three-part lesson should provide learners with a firm understanding about the differences between mean, median, and mode and how to perform the...

Students create two prisms out of the same paper. They calcuate the number of centimeter cubes needed to fill each prism. They discover the concept of volume.

Middle and high schoolers explore the concept of probability. In this probability lesson, learners conduct an experiment with a bag of marbles. Pupils draw marbles from a bag and determine the probability of drawing a particular color...

Students consider prices while planning a trip to Colonial Virginia. In this budgeting lesson, students construct an itinerary of events for a vacation. Students are responsible for working within the approved budget.

Student are assigned one of the sections on whole numbers. After reviewing the content, they teach their assigned sections to other class mates. They publish their findings on a PowerPoint slide show to use when they teach their section.

In this math worksheet, students find the area of shapes by counting the number of grid paper squares inside each shape. This is a worksheet generator, the teacher controls the complexity of the shapes as well as the grid size. Answers...

Students eat a Korean meal with proper table manners. They compare American table manners to Korean with at least 3 similarities and 3 differences. They write a brief essay and describe, list and demonstrate the proper Korean...