Students apply properties of right triangles to solve problems. For this geometry lesson, students identify axioms and theorems using examples.

Young scholars observe the physical characteristics of birds and identify birds found in their village. They describe characteristics, behaviors and habitats of local birds in this series of lessons.

Students explore many of the basic properties of matter including atoms, ions, elements, molecules, and density. The class explores an interactive flash-animated Web site to answer questions and clarify misconceptions they might have had...

Learners analyze characteristics and properties of two- and three-dimensional geometric shapes and develop mathematical arguments about geometric relationship

Students use a Factor Board game to identify the properties of prime, composite, abundant, deficient and perfect numbers. The game is comprised of the numbers from 1 to 30 placed in a 5 by 6 grid. Pupils figure out they can score more...

Eleventh graders explore quadratic equations.  In this Algebra II lesson, 11th graders use Geometer’s Sketchpad to explore the properties of quadratics and the connections with polynomials and linear equations.  The lesson is...

In this Geometry worksheet, 10th graders solve problems involving the properties of a regular pyramid.  The two page worksheet contains a combination of seven multiple choice and free response questions.  Answers are...

Learners investigate nets as they relate to volume and area. In this geometry lesson, students use nets as a visual to deepen their understanding of surface area and volume of objects. They make conjectures about different objects and...

Students show their knowledge of properties of objects as it pertains to sorting and creating patterns. In this food pyramid power lesson, students show their ability to use whole numbers in different representations by appling...

Students match definitions with vocabulary words and learn basic facts about matter. Then, they see how to determine the physical characteristics of matter. They determine the mass, volume, and density of objects using appropriate tools...

Third graders investigate the commutative properties of multiplication and focus upon the setting of cubes in the correct patterns to solve problems. They differentiate between numbers that have multiple factors and prime numbers....

Ninth graders explore linear equations.  In this Algebra I instructional activity, 9th graders investigate how different equivalent equations can be used to describe any given line.  Students explore how to change equations to...

Students creating chords intersection using circles. In 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 make conjectures of intersecting circles. In this geometry lesson, students observe circles and their position in space. They investigate and observe two and three dimensional objects.

Students investigate exponential decay.  Students explore the biological half-life of Cesium-137.  Students investigate the Goiania Accident of 1987 which is considered one of the worst incidents in the history of the Atomic...

Student sinvestigate the area and perimeter of polygons. They differentiate between similar and congruent polygons.. They identify the ratio and proportions of the sides and angles of polygons.

Pupils solve systems of equations with radical expressions. After reading real life situation, they translate the problem into algebraic expressions. As a class, students solve quadratic equations and inequalities by graphing and...

Students calculate the distance from the vertex of a triangle to the center. In this geometry lesson plan, students find the shortest distance between a point and the vertex of a triangle. They relate this concept of distance to the real...

Students define keywords that are important to solve problems. In this geometry lesson plan, students find the arc length and angle of a circle. They convert between radians and degrees.

Pupils define trapezoids and their shapes. In this geometry instructional activity, students calculate the area of a trapezoid and a parallelogram. They use Cabri software to make investigations.

Tenth graders find the incenter of a triangle. In this geometry lesson, 10th graders define the way to create an incenter with an angle bisector. They differentiate between incenter and incircle.

Students find the orthocenter of a triangle. For this geometry lesson, students identify where the altitudes meet in a triangle. They use Cabri software to explore acute, obtuse and right triangles.

Students perform operation with secant and tangent lines. In this calculus lesson, students find the derivative and relate it to the slope of a line. They differentiate between secant and tangent as they intersect a circle, using Cabri.

Students calculate the are of regular polygons. In this geometry lesson plan, students create polygons on the computer and move it around to create different shapes. They explore the area of different polygons and how they inter-relate.