Students creating chords intersection using circles. For this geometry lesson, students create visuals of chords ad their properties using Cabri technology. They measure the chords and explore the relationship among chords.

Students create three dimensional shapes using concept maps. In this geometry lesson, students investigate the impact of mental schemas on humans. They collect data on this topic and plot their data on a coordinate plane.

Students practice the commutative property, create and manipulate arrays and multiply and divide numbers.

Students explore basic algorithms for addition, subtraction, and multiplication. They use models to demonstrate solving two-digit by two-digit multiplication. Students demonstrate vertical formats to solve multiplication problems.

Ninth graders explain waves in terms of energy transfer and describe their basic types and characteristics. They solve mathematical problems involving wavelength and frequency. Students conduct experiments in reflection and refraction.

Eighth graders explore representing fractions as ratios and proportions. They model proportions through the use of blocks, LEGO gears and activities with bicycle gears and pedals. Students work with bicycle gear boxes to observe and...

First graders explore different types of Native American shelters. For this Native American homes lesson, 1st graders compare the shapes of shelters used by Native Americans. They build a home using the program "Community Construction...

Fifth graders discover how to use inverse operations to solve equations. In this inverse operations lesson plan, 5th graders explore visual examples. Students also practice solving problems that their instructors model.

First graders practice place value by completing problems that allow them to group 10 items together to create groups of 10 and see what is left over. In this place value lesson plan, 1st graders use cups to put 10 items in them, and...

Students calculate the measurement of a central angle. In this geometry lesson, students identify properties of circles. They use Cabri software to create and analyze graphs.

Students identify the secant segment of a circle. For this geometry lesson, students investigate secant lines formed outside the circle. They use Cabri software to create drawings and explore circles and secants.

Students explore secants and circles. In this geometry lesson, students identify the properties of two and three dimensional shapes. They create arguments to prove the theorems are true.

Students investigate symmetry in the real world. In this geometry lesson, students inter-relate math and technology. They create and name a variety of polygons.

Students investigate patterns and functions. In this algebra instructional activity, students examine the repetition of integers and objects. They create formulas for the repetition and identify them as function using equations.

Students investigate the forces present in a rotating body. In this physics lesson, students calculate centripetal force using a mathematical equation. They answer a quiz and writing prompt at the end of the lesson.

Students collect and interpret data to make predictions about the levels of ozone in the atmosphere. Using the internet to collect data students use their collected data to create a line graph for analysis. Students make mathematical...

Find five activities all about longitude and latitude! Use oranges to show the equator and prime meridian, plot birthdays on a map using coordinates, and plan a dream vacation.

Weight, time, length, cost, and mass are all things we can measure. Learners are introduced to the concepts they'll need to know before embarking on any measurement adventure. They are introduced to each type of measurement and types of...

Ask your algebra learners to write an equation that has unit constraints. This commentary talks about the constraints, but does not show them in the equation. It is important that your mathematicians understand that the units apply to...

Students determine the length of rope on a flagpole and the cost to replace the rope. They create their own real life math problems.

Why does it take Pluto 90,000 days to orbit the sun, but it only takes Mercury 88 days? An interactive lesson helps pupils find a connection between the speed of orbit and distance a planet is from the sun. The simulation allows for...

Eighth graders extend skills for representing and solving linear equations to linear inequalities. Lesson activities build understanding and skill by plotting ordered pairs of numbers that either satisfy or do not satisfy a given...

Fourth graders engage in a study of the solar system. The teacher constructs an outside model of it. They walk through it making constructive observations. Students conduct a class discussion about the solar system and planets. They...

Eighth graders use a spreadsheet for the first time. They work on a selected environmental issues as their theme. Students prepare costs or income for an event that raises money for an environmental issue. They use the costs and income...