The example of two travelers meeting somewhere along the road has been a stereotypical joke about algebra as long as algebra has existed. Here in this detailed presentation, this old trope gets a careful and approachable treatment....

Circles are the foundation of many geometric concepts and extensions - a point that is thoroughly driven home in this extensive unit. Fundamental properties of circles are investigated (including sector area, angle measure, and...

Young scholars listen to a read aloud of Mary Ann Hoberman's A House Is a House for Me before discussing the meaning of habitats and the different types of homes that people live in. Next, they pretend to be architects and design a home...

Students become familiar with various kinds of apples and the tree they grow on.  In this Apple tree lesson, students recognize the differences between apples and can identify what happens to apples in different seasons. ...

Learners develop an understanding of the concept of matter. They l participate actively in the bubble raft experiment as described on the Center for Thermal Spray Research's website. They demonstrate dislocations and grain...

Students compare the price and quality of different kinds of plastic kitchen wraps and then rank them from best to worst. They take into account how well it comes out of the roll, if it seals well, it is tangles, how much weight it...

Students identify how the different plants and animals work together to cause the changes in the log. Students discuss the sequence of events in the life of the tree and log. Students plant a seed to take home and care for. Students...

Students examine energy, where it comes from and the different fuels that are used.  In this energy lesson students design an energy infrastructure using a renewable energy source. 

Students learn how to measure length using inch units.  In this measurement lesson, students use two different units of measure to measure the length of a Leopard Shark and then use pattern blocks to measure its length. ...

In this engineering activity, students speak with an engineer, surveyor, or architect in their area about the various occupations in engineering and create a list that explains each. They also draw a floor plan of their home and three...

Geometric shapes are the focus of a comprehension exercise that asks readers to examine a short passage about planes, circles, triangles, and rectangles, and then to respond to a series of questions about the article.

Here is a very interesting way of studying triangles and polygons. Pupils work together and use pieces of string to create a variety of shapes. Depending on how many kids are manipulating the string at any one time, the number of...

Students make different variations of file card bridges and predict how much weight it will hold. In this file card bridges lesson plan, students put file cards between books in different ways and predict how many pennies it will hold.

Students explain why the number of appliances used today differs greatly from the number used previously. They construct a bar graph to show changes in appliance use over a period of time. They also list appliances that could be eliminated.

Students poll classmates to gather information for a graph. They identify three types of graphs (bar, line, table). Students create each type of graph using data gathered from classmates.

Students develop their listening skills as they listen to the book The Perfect Pet. In this reading lesson, students listen to the book, and then talk about the pets they have. Then they make a graph as a class of all their pets.

Fourth graders examine the animals who live in rice paddies and create a chart.  In this rice lesson, 4th graders link the types of animals living in each ecosystem with a bar graph. Students use colored bars to show...

Students investigate the life cycle of ants, ladybugs, and butterflies. They list the four stages of the butterfly life cycle, define symmetry and observe how ants make homes in dirt.

Students explore food and grocery stores. In this instructional activity on foods, students are introduced to the food pyramid and healthy eating through a variety of center activities. Students have to opportunity to role-play working...

Students identify the types of information gathering styles and different surveying styles. They distribute a survey around your school to determine the different forms of transportation used to get to school.

High schoolers describe the different units of measurement. In this space science lesson, students calculate astronomical distances using a scale. They explain the significance of using scientific notation in expressing very small...

Students explore the history of teddy bears. In this comprehension activity, students bring a bear of their own to compare and contrast with their classmates. Students read book and discuss the events and draw pictures of the scenes.

Learners use their math skills to develop estimates for the population of several animal species native to the Austrailian rainforest. It is a simulation that researchers at the Center for Rainforest Studies in Australia perform to...

Students examine various types of charts and discover how to construct a line graph. Using graph paper, they construct a graph displaying weight loss over a five-year period. They draw copnclusions from the completed graphs.