Students examine the relationship between probability and geometry to solve problems. In this geometry and probability lesson, students investigate the effect of changing percentages on a spinner to the probability of landing on a...

Students make mathematical argument using the concept of Limit. In this algebra lesson, student calculate the instantaneous rate of change from the linear graph. They use a TI-calculator to create a visual of the graphs.

Fourth graders investigate patterns and sequences.  In this patterns and sequences instructional activity, 4th graders use a hundreds chart to build recurring patterns.  Students skip count by threes and fives on a hundreds...

Students investigate proofs used to solve geometric problems. In this geometry lesson, students read about the history behind early geometry and learn how to write proofs correctly using two columns. The define terminology valuable to...

Students study and observe the patterns made by the areas of the Sierpinski Triangle. Students use the computer to draw two or three iterations to discover the number patterns. Students complete worksheets based on Geometric Fractals.

Students identify and interpret the cyclical nature of the Parkfield, California earthquakes. They then investigate and graph earthquake occurrences on the Mojave segment of the San Andreas fault and then on the Hayward fault in order to...

For this three- and two- dimensional geometry worksheet, 7th graders solve 12 various problems related to geometric shapes and measurement. They first use paper and a pencil to sketch the front, side, back, top and bottom views of each...

Students identify shapes that are squares. For this square lesson, students identify the square items and then sing songs about squares.

Students understand the sea ice cycle and can explain its stages. In this Sea Ice lesson plan, students play a game to identify types of sea ice. Students answer critical thinking questions about sea ice. Students complete a sea ice...

Students explore game theory.  In this secondary mathematics lesson, students plat the game of HOG using dice and explore the optimal strategies.  Students play the game three ways:  any number of dice, a fixed number of...

Eighth graders investigate the basic concepts of probability. For this probability lesson, 8th graders learn the associated probability. They work with spinners, colored cubes in a bag, flip coins, and choose colored candies while they...

Students make a sundial. In this time lesson, students determine the time of the day by creating a sundial. They check the time on the sundial, hourly, for one week. Afterward, they explore what happened to the shadows in reference to...

Young scholars investigate the idea of gender descrimination in the classroom. In this algebra lesson, students collect data in stereotyping, and gender bias in the classroom, school materials and activities. They graph and analyze their...

Students explore the oceans from their origin. In this oceans instructional activity, students read and discuss excerpts from the Book of Genesis regarding the creation of the ocean. Students then clean up a mock oil spill, measure the...

Young scholars work with Ellipses in Algebra II. In this algebra lesson plan, students solve an equation with a radical expression. They graph ellipses and write an equation for them.

Young scholars explore the role of government in the economy market. In this economics activity, students analyze the decision making and how it takes into consideration additional cost, benefits and public awareness of what they are...

In this geometry worksheet, students solve problems based on the triangle inequality theorem(s) in which determine if the given lengths can form a triangle, given two sides of a triangle determine the range of the third side, and order...

Students examine soil samples and make observations. In this soil lesson, students participate in experiments to determine the components (mineral matter, organic matter, water air) in the soil. Students analyze a pie graph on the...

Students draw conclusions about how the ocean affects temperature. In this weather instructional activity, students use the Internet to gather data to help them come to a conclusion about how the climate in a certain region is directly...

Students analyze convex polyhedra through hands on methods. In this geometrical shapes instructional activity, students construct paper models of convex polyhedra and identify the different properties including the number of sides, faces...

The Kuril islands stretch from Japan to Russia, and the ongoing dispute about their jurisdiction prevents many scientific research studies. Scholars learn to create a topographic profile of a specific area around their schools. Then they...

Increase the level of assessment rigor with the test of performance tasks. Topics include similar triangles, trigonometric ratios, Law of Sines, Law of Cosines, and trigonometric problem solving. 

Turn up the heat! Young mathematicians develop models to represent different climates and collect temperature data. They analyze the data with regression and residual applications. Using that information, they make conclusions about...

Polygon ... an empty bird cage? After finding the angles of a polygon, young mathematicians use the provided methods to solve the problem in multiple ways.