Solve systems of equation problems using four different methods: elimination by addition or subtraction, graphing, elimination by multiplication, and substitution. Middle schoolers are then given a series of "missions" to complete.

Students explore the impact of groundwater pollution on health. They examine the carcinogenic contaminants and their possible sources. Students develop methods to lessen or eliminate the pollutants from the environment.

Students determine the presence of drugs in water. For this chemistry lesson, students experiment on water samples using thin layer and column chromatography. They determine the concentration of drugs present using graphical analysis.

Sixth graders apply problem solving strategies to work with a real life situation in which they need to determine the area. They determine the area of chicken runs that are rectangular in shape when give a partial perimeter.

This worksheet offers six problems to practice solving simultaneous equations using the method of elimination. Start with systems that require multiplying only one of the equations. Then move to systems which require multiplying both...

Using a variety of linked sites, students find out what has happened in Collinwood (surveillance cameras installed to help eliminate crime). Students discuss when surveillance cameras could be appropriate, and when they would not be....

He to you? She to they? Are your young writers starting their sentences with one type of pronoun and then shifting to another? Provide them with a learning exercise that lets them practice maintaining a consistent point of view. The 14...

Learners investigate prime and composite numbers. They use a number chart and cross out multiples of 2,3,5 etc. up to 100. Pupils fold pieces of masking tape around pennies and label them with composite numbers, then fold masking tape...

Use this online interactive activity to practice pronouns and possessive pronouns, alone and in compound noun phrases. For 12 sentences, learners select the correct form from four choices. A good opportunity to practice the method...

Using the TI-89 calculator, students explore the statistical, graphical and symbolic capabilities of the TI-89.  Students investigate topics such as solving systems of equations, finding inverse functions, summations, parametrics...

Students collect data as they identify and classify native prairie plants and insects. They create their own population study using a variety of sampling techniques to determine the population density of various species. Students...

In this variables worksheet, students are given seven experiments that they read and identify the independent variable, dependent variable, control group and standardizing variable.

The idea behind this lesson plan is to introduce learners to the health and environmental issues related to the use of computers. The lecture should include topics such as tendonitis and carpal tunnel syndrome, but information is not...

Young scholars describe three methods of obtaining food: scavenging, filter feeding, and hunting. They describe three methods of obtaining food: scavenging, filter feeding, hunting, and list at least two reasons why humans are not...

In this ESL vehicles vocabulary activity, students analyze 10 pictures that depict different modes of transportation. Students match these to the words that name them.

In this graphing solutions worksheet, 9th graders solve 13 various types of problems. First, they find the solution of each systems by graphing on the coordinate plane provided. Then, students solve each systems of equations...

Students explain chemical, cultural and biological weed control methods. They design and conduct an experiment to simulate a weed control method and explore various ways to prevent weed dispersal.

Young scholars examine the role of organisms when they eliminate the native species of an area. They review cooperative and competitive relationships within an ecosystem.

Students explore the world of nanotechnology by synthesizing ferrofluids in a series of chemical reactions. In small groups, they follow the procedure to create the ferrofluids using precise measuring techniques. They test the resulting...

Students evaluate the differences between the first draft registration and today's Selective Service form. They explore how changes in American society and culture influence changes in the draft system.

Students construct and maintain a school garden. In this gardening lesson, students plan the construction of the garden by writing letters to local businesses asking for supplies and materials; students build the garden using their math...

Learners identify the quadrants and axis of a coordinate plane. In this algebra lesson plan, students discover the ocrrect way to graph using the coordinate plane. They discuss the relationship between x and y values, domain and range...

In this final exam review worksheet,s students solve systems of equations, polynomials and factor quadratic equations.  They identify the slope of a line and write linear equations.  Students use Cramer's rule, graphing,...

In this language arts instructional activity, students study 10 words in a word bank, then locate them in a word search puzzle. The words appear to be related to algebra; the meaning of the title is not known. There is one misspelled...