Everyone's heard of Pythagoras, but who's Ptolemy? Learners test Ptolemy's Theorem using a specific cyclic quadrilateral and a ruler in the 22nd installment of a 23-part module. They then work through a proof of the theorem.

Use a unit approach in developing a fraction division strategy. The teacher leads a discussion on division containing units, resulting in a connection between the units and like denominators. Pupils develop a rule in dividing fractions...

Students explore a variety of poetry and poetry concepts. They examine figurative language, mood, and literary devices. The students write and recite their own poetry.

Learners find the area of a region between two curves. They integrate functions such as sin(x) and cos(x) on a given interval and find the area bounded by the two functions. Pupils use their TI-89 to aid them in finding the bounded...

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.

Maps can be so much fun, they help you understand spatial relationships, distance between objects, and can foster direction skills. Budding cartographers with visual impairments use the Wheatley Tactile Diagramming Kit to create their...

Middle schoolers explain that while cities have unattractive features, the density of human life enables energy efficiency, mass transit, recycling, and other benefits which are difficult or impossible in rural areas. This is the fifth...

Many muralists throughout history have focused on using their art to represent aspects of their culture or community. After thoroughly researching several muralists, budding artists will create a larger than life mural that contains...

The six instructional shifts in this workshop definitely move math and science teachers' understanding of instruction. The workshop, 13th out of a series of 15, asks participants to examine sample tests and to look at how the six...

Here is a great science lesson. It extends the concept of vision into the area of optical illusions, perspective, and tessellation. This well-designed plan has tons of great activities, utilizes interesting video, and should lead to a...

Middle and high schoolers construct a triangle using Cabri Jr. They construct squares on each of the legs and hypotenuse of the triangle. Pupils show that the area of the squares on the leg equal the area of the square on the hypotenuse.

Are you thinking about taking your class to the local zoo? Kids of all ages love visiting exotic animals in order to learn about biodiversity, habitat, and animal adaptations. Here is a 44-page activity guide that provides educators with...

Youngsters develop an understanding of how smog is produced, and how exhaust from automobiles is one of the major sources of smog. They explore the roles that engineers play in developing technologies that reduce smog, then work in teams...

An excellent series of five lessons on China awaits you and your young geographers. In these lessons, learners engage in hands-on activities, watch streamed video, access websites, and complete activities in cooperative groups in order...

What is the difference between a private and a public place? The focus in this second lesson on family life and sexual health is building an understanding of the difference between the concepts of private and public and the...

Ninth graders recognize differences in soil quality from one area to another. They describe the importance of organic matter in soil health and suggest ideas that help provide adequate food supplies for the world. The interview a person...

The concept behind this instructional activity is fantastic. Learners explore how different locations and situations affect them as individuals, focusing heavily on the impact of the urban environment. They question how location can make...

Paul Chan's latest exhibit includes seven manifestations of light. Today, kids analyze the pieces 1st Light  and 5th Light. They consider the concept of opposed or dualistic realities found in literature, society, and Chan's work....

This complete set of instructions for creating your very own butterfly garden and habitat is so cool! With some seeds and the handy resources in this activity, you and your class will be able to determine which type of habitat is best...

Students research abiotic and biotic factors concerning the concept of an ecosystem. Record and analyze data collected. Write a lab report in proper and scientific format with thinking and analytical skills. Work as a cooperative team.

  Learners observe a leaf and discuss the way that water is released from a leaf through its stomata.  For this water cycle lesson, students calculate how much water leaves produce from a whole tree.     

Students explore issues and situations that make for a city and its local environments. In this local government lesson, students design maps, define issues and create brochures that illustrate their understandings of these concepts and...

Kids engage in a series of activities that ask them to consider differences and similarities in characteristics, both visible and invisible. With this new understanding, the class investigates the Special Olympics program and develops...

Students analyze scientific vocabulary words. In this life science vocabulary lesson, students complete a worksheet using VisualThesaurus as they evaluate words related to plants and animals and how the words are used.