Fifth graders examine the role of African-Americans in New Haven, Connecticut. Using two maps, they compare and contrast the differences in the town from the past to today. In groups, they use the internet to research the contributions...

Students solve a given problem and explain their thinking using two number sentences to match their answer. One number sentence must use addition, one must use multiplication, and students must explain their answers. Includes sample...

Eighth graders graph two inequalities with a single variable. They include drawing the intersection or union of inequalities on a number line. Students solve the linear equations using properties of equality and inequality. The lesson...

Young scholars convert recipes for tortillas. They calculate the amounts of ingredients as they convert recipes and write an explanation of the task to demonstrate their calculations. After reviewing their calculations, they demonstrate...

Learners examine the laws concerning birth control. They express their opinions about the mandatory birth control use by substance users. They explain and justify their opinions.

This unit is about making calculations in the real life situations of taxis, hire cars, and cell phones. They find and justify a word formula which represents a given practical situation. Solve simple linear equations such as 2? + 4 = 16.

Learners find an object that they estimate weighs 20g and check estimates on the balance scales. They read the problem and work in pairs focusing their understanding on the size of grams.

Students explore circular functions. They identify the amplitude, period, phase shift and vertical shift of circular functions. Students analyze phenomena described by sine waves and they find mathematical models for transforming images...

Students complete a word problem to determine the cost of gasoline per mile of their virtual field trip. They determine the travel time and gasoline costs for two routes and record the information on a data sheet. They check their work...

Students explain the basic properties of a watershed including how water flows from higher to lower elevations and how watersheds are interconnected. They comprehend how the placement of buildings, roads, and parking lots can be...

Learners participate in a lesson plan to comprehend the concept of probability while rolling dice. They recognize patterns while making observations and recording the data for each roll. Students also review place values while playing a...

Students discuss forms of transportation in Delaware during 18th Century, find approximate area of court order on current map of state, draw layout of their school, and decide where new hallway or outside pathway would be most needed.

Students use a digital atlas and other electronic resources to explore freshwater reservoirs in Idaho. They discover the importance of groundwater and discuss the agricultural, industrial and domestic uses of underground reservoirs....

In this science learning exercise, students look for the words that are related to the concept of zoology that is reviewed in the sheet. They also acquire new vocabulary.

Nine fractions and mixed numbers are provided for your class to write as decimals. All have denominators of 1000. Then, nine decimal numbers, all thousandths, are provided for learners to write as fractions or mixed numbers. If you use...

Students complete 6 units to learn about Ancient Greece and the Olympic games through physical education activities as well as math activities. In this Ancient Greece lesson, students complete multiple activities in 6 lessons including...

Students investigate the money creation process and calculate the upper bound of the money creation process using a money multiplier. In this money creation lesson, students use a imitation $100,000 bill. Students demonstrate successive...

Learners brainstorm on the effects of stress on the body. In this health science lesson, students write journals three times a week about how they feel. They determine strategies to cope with stress.

Eleventh graders compare the amount of sugar sand present in tree sap. In this environmental science instructional activity, 11th graders measure different tree circumference. They prepare a report and share findings in class.

1, 2, 3, 4, 5, 6, 7, 8, 9 and 0. With just these ten symbols, we can write any rational number imaginable. But why these particular symbols? Why ten of them? And why do we arrange them the way we do? Alessandra King gives a brief history...

This site is a discussion of Indian numerals that form the basis of the current widespread European number system, a system that came to Europe via a western Arabic route. Interesting information about finger-reckoning and sexagesimal...

Considers the origin of our "Arabic," system of number notation as probably having originated in India. Has illustrations demonstrating how much less cumbersome this system is than Roman, Egyptian, or Greek numeration.

Geographic information systems (GIS) are important technology that allows rapid study and use of spatial information. GIS have become increasingly prevalent in industry and the consumer/internet world in the last 20 years. Historically,...