Fourth graders use the story of the discovery of irrational numbers to explore the different classes of numbers, the different ways in which numbers may be represented, and how to classify different numbers into their particular class.

View a PBS video entitled Horatio's Drive and explore Horatio's Ratios. Collaborative learners form groups to use Mapquest to determine distances covered. They generate the mathematical averages, ratios, and rates in order to calculate...

Students experiment with several chaotic simulation, they build a working definition of chaos. Students reinforce their knowledge of basic probability and percents. They are reminded of previous knowledge that is pertinent to this...

In this percentages worksheet, students are introduced to the concept of percentages as another way to represent fractions and decimals. Students read the instructions and examples and solve 20 problems. This is an online activity that...

Students determine sea ice thickness, concentration, and floe size by reading egg codes.  In this sea ice conditions instructional activity, students color code a map based on prescribed criteria and use the maps to identify changes...

Students observe and count bird sightings around their schoolyard throughout the school year.

Students use quilt patterns to illustrate ratios. In this fractions lesson plan, students color quilt patterns using given fractions and ratios of colors. A finished "quilt" is assembled from the work of the students. This is an...

High schoolers participate in activties examining ratios and proportions. They use graphs to interpret data showing the government's budget for prisons. They present what they have learned to the class.

Students explore Earth science by completing weather symbol worksheets. In this cloud identification lesson, students identify the different types of clouds in the sky and how they are formed. Students complete a cloud measurement...

Eighth graders discover the relationship between speed, distance, and time. They calculate speed and represent their data graphically. They, in groups, design a ramp for their matchbox car. The goal is to see who's ramp produces the...

Seventh graders practice math skills while they become familiar with Texas' Boom & Bust economy and the natural history of the east Texas Piney Woods.

Students, in teams of four, practice shooting free throws while mentally converting the ratio of shots made to those thrown into a percent. They chart and record the ratio, decimal and actual percentage earned after each round.

Students, in groups, determine the volume of a box large enough to hold a million dollars. They calculate the dimensions of a bill and the volume of the money.

Eighth graders pick a topic or person to research related to the history of mathematics. They brainstorm and create a concept map, using the multimedia software inspiration, about what they are researching and want to examine. They then...

Young scholars explore the concept of Venn Diagrams through word problems. In this Venn Diagram lesson plan, students solve word problems about groups of people using Venn Diagrams. Young scholars use survey results about MySpace and...

Students examine the diet of panthers. In this interpreting data lesson, students collect data on the panther's diet and chart the data in bar and pie graphs.

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...

Students read, write, and identify different coin combinations and use this information in real-world situations.

Students work together to complete a research project on Harry Potter. They write a research question and develop a survey to give to their classmates. Using the results, they create a graph and draw conclusions about the data collected.

Fourth graders discover that the inverse of squaring is finding a square root. and that square roots are found in many formulas used in many disciplines. They utilize a worksheet imbedded in this plan that gives them quite a bit of...

Students distinguish between proper and improper fractions. They create a "Character Clue Box" that represents a fraction. Fractions are picked from a hat and then groups go outside and search for items that represent their fraction....

Students participate in and conduct a survey to determine various class favorites. They collect, organize and display their data, interpret the results, and complete a packet of worksheets to display the information.

Students explore inequalities. For this Algebra I lesson, students solve and graph linear inequalities involving addition, subtraction, multiplication, or division.  Students use inequalities to solve and graph real-world problems.

Students explore the concept that when money is borrowed, people pay to use it because someone else is losing an opportunity to use it while they have it. What you pay to use the money is called interest. The rate of interest is a...