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Lesson Planet

#### Solving Systems with Row Operations 1

Students solve systems of equations. In this algebra lesson, students use matrices to solve linear equations. They use reduced row echelon-form and scalar multiplier to simplify the matrices completely.

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#### Areas of Polygons

Young mathematicians calculate the area of polygons in this algebra lesson. They find the determinant as they calculate the areas for triangles and quadrilaterals. They also use scalar multiplication to find the determinant.

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#### Extraneous Solutions

Students find the roots of quadratic equations. In this algebra lesson plan, students solve radical equations and identify the positive and negative roots. They graph and analyze their functions.

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#### Probability of Repeated Independent Events

Statisticians analyze different samples to find independent and dependent events. In this probability lesson, pupils predict the outcome and then calculate the real outcome. They create a tree diagram to help predict the probability of...

Lesson Planet

#### Understanding MyPlate

Sixth graders recognize how using the food pyramid can add to their good health practices. For this food pyramid lesson, 6th graders build a 3-D food pyramid illustrating the desired amount of each food group.

Lesson Planet

#### Hand Washing: I can handle it!

Sixth graders examine microorganisms. In this germs activity, 6th graders observe and record data on the positive and negative aspects of microorganisms. Students complete activities, view a film, and explore websites.

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#### Water, Water, Everywhere

Students explore the characteristics of the different ecosystems on Earth. In this environmental lesson students participate in a class activity to show the different ecosystems around the world.

Lesson Planet

#### Let's Make a Compost Cake

Students create a compost cake. In this gardening and decomposition science lesson, students review and describe the "nutrient cycle." Students create a compost pile, measure and record the dimensions and temperature of the pile, and...

Lesson Planet

#### Follow the Digital Trail

Any information you put online leads to a trail called a digital footprint. Youngsters follow the digital information trails of two fictional animals. They make observations about the size and content of each trail, and discuss the kind...

Lesson Planet

#### Attributes of Renewable Energy: From Nanopossibilities to Solar Power

High schoolers explore solar energy, why we use it and how we use it. In this renewable energy lesson students compare active and solar techniques.

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#### Spaghetti Webs

Students listen to the book, The Spider Makes a Web, then construct an orb web out of cooled spaghetti on a piece of construction paper. Student work is used to create a colorful bulleting board display in the classroom.

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#### High Anxiety

The Learning Network section of the New York Times produces high-quality teaching materials. This issue gets middle or high schoolers reading an article about how people use art to express their response to high-stress events. They work...

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#### OCCUPATIONAL OXYMORON: Examining the Circumstances of the Hidden Working Poor

Students use the book, The WorkingPoor, as a basis for this instructional activity. They state their current understanding of poverty., work in groups to prepare presentations on different aspects of the working poor and give oral...

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#### Economics: Interest Types and Savings

Students examine the difference between compound and simple interest. After calculating at varying amounts, rates, and time lengths, they use the information to determine ways they can manage their money. In groups, students contact...

Lesson Planet

#### Hess's Law

Pupils solve chemical equations. In this chemistry lesson, they balance chemical equations after completing a lab. They can use a TI for this assignment.

Lesson Planet

#### Let's Play Ball with Families of Graphs

Learners explore quadratic equations in this Algebra II lesson. They investigate families of quadratic functions by graphing the parent function and family members on the same graph. Additionally, they write the equation of the parabola...