Fourth graders use triangle paper to design patterns using geometric figures and find the areas of those figures by counting units. Students are assessed by determining which figure has the greatest area and explaining their reasoning.

Finding approximate solutions to word problems allows users to assess the reasonableness of their answers. In a well-paced lesson, the class rounds numbers to estimate the solutions. They explain their thinking and determine if the...

High schoolers use data collection and analysis, statistics, and probability in problem-solving situations and communicate the reasoning used in solving these problems.

Students investigate the reasons why wetlands are threatened especially by people. They study the wise use of water to preserve wetlands.

Students explore the Spanish equivalents for everyday food items and determine reasonable prices for those items using the currency of Spanish speaking countries.

Students research what experts and viewers thought about the commercials shown during Super Bowl XXXVII, paying special attention to the reason ads very popular or not. Students prepare a notebook or a PowerPoint presentation on the Best...

Eighth graders explore the African slave trade. They identify the principal figures practicing the African slave trades at three locations. Students draw the physical routes of the slave trade on a map and they list the reasons for the...

Eighth graders read a book "Counting on Frank" with a partner. Using the text, they identify eight clues and use their mathematical reasoning in real-life situations. They participate in a game and turn in a notebook in which they write...

Review the 5 branches of chemistry and related terms with this worksheet. The focus of these activities is on terms and definitions. Learners answer questions about the study of chemistry, reasons to study chemistry, and pure and applied...

Practice interpersonal communication with your young learners with autism. They play a game to practice asking appropriate questions. They each take turns asking, "What's in the bag?" Additionally, they discuss reasons for asking...

In this paragraph construction worksheet, students read a model paragraph regarding Costa Rica. Students respond to 10 questions regarding the structure of the paragraph.

Students explore immigration and explain diverse cultures and customs.

Students examine the advantages and disadvantages of world trade. They participate in a class discussion of international trade, read a handout about a specific country, and in small groups label a map with agricultural commodity...

Students explore how climatic factors influence the growth of plants. They create an experiment to find how variations in water, light, and temperature affect plant growth and describe how precipitation and geography can affect the...

Students complete worksheets involving rotational symmetry. In this geometry lesson, students complete worksheets to identify rotational symmetry and rotations. They compare and contrast rotated figures. Students examine the relationship...

In this algebra learning exercise, students solve a word problem using algebraic expressions. An answer key is provided.

Students observe number sense by participating in an estimation activity. For this blood cells lesson, students identify the importance of blood cells in the human body and discuss how tiny they are. Students utilize paper dots as a...

Using the concept of a candy vending machine, young mathematicians explore the sugar ratios found in different types of candy. Using the provided information, class members calculate and compare different ratios in...

Manipulatives make learning division easier! Your class will discover the difference between dividing with one- and two-digit divisors, and practice the procedures for each using the standard algorithm. They will use estimation to ensure...

Sarah Stewart’s The Gardener and Food from Farms by Nancy Dickmann display the importance of community farms. After reading these short picture books, class members draw connections between farms and the food we eat each day. As a...

What can one learn about a planet based on a small surface sample? Learners will explore artifacts from a mystery planet and see what they can determine about the planet based on the evidence in front of them. 

Students study the concept of animal migration with the change of seasons. They discover that migration can be hazardous, and the distance migrated can be short or long.

High schoolers determine the most compelling evidence explaining why the U.S. entered WWI. They read and discuss a handout of reasons why the U.S. entered the war, and take a poll as to which reason was the most compelling.

If you chew or make a "raspberry" while viewing an LED light source, the light will appear to wiggle or flicker. It is not because of the light itself, but because of the vibration of your skull! Have your physics class give this a try...