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Activity
Exploratorium

Inverse Square Law

For Teachers 9th - 12th
The inverse square law is revealed when your class participates in this activity. They move a graph paper or perfboard square back and forth in a square of light to see how the intensity changes. You will definitely want to add this...
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Lesson Plan
Curated OER

Very Varied - Inverse variation

For Teachers 8th - 11th
Students identify inverse variations. In this inverse variation lesson, students explore graphs and identify the inverse variation. They write equations for the inverse variation. Students compare and contrast the inverse variation...
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Lesson Plan
Curated OER

Systems of Linear Equations

For Teachers 9th - 11th
Introduce the inverse matrix method to solve systems of linear equations both algebraically and graphically. Using given data, your class checks their answers with graphing calculators. Handouts are included in this well-thought out lesson.
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Activity
Exploratorium

Oil Spot Photometer

For Teachers 6th - 12th Standards
Are these two light sources the same? Groups use a white card and a little cooking oil to create a photometer that allows for the comparison of two lights. The Inverse Square Law provides a way to calculate the actual difference in...
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Lesson Plan
Curated OER

Using Inverse Operations

For Teachers 4th
Fourth graders demonstrate inverse operations by playing a card game.  In this inverse operations lesson, 4th graders work in small groups with a deck of cards.  Two players draw cards but do not look at them.  The recording student...
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Lesson Plan
Curated OER

Equations Lesson 1

For Teachers 6th - 8th
Middle schoolers engage in a study of equations and how they are solved using algebraic methods. This overrides the fact of guessing as done in earlier grades. They cover the concept of inverse operations as the main way to manipulate...
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Lesson Plan
Curated OER

Mathematical Modeling

For Teachers 9th - 12th
Study various types of mathematical models in this math lesson. Learners calculate the slope to determine the risk in a situation described. They respond to a number of questions and analyze their statistical data. Then, they determine...
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Lesson Plan
Pennsylvania Department of Education

Fractional Parts Using an Area Model

For Teachers 5th - 7th Standards
Learners explore multiplying fractions and their relationship to parts of a whole. They draw and shade fractional parts to show parts of a whole and fractional parts of a fraction. Pupils also use an Internet site for interactive practice.
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Lesson Plan
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Curated OER

Be Direct - Oil Spills on Land

For Teachers 8th - 11th
Students participate in an activity to simulate direct variation. In this oil spills on land lesson plan, students participate in a simulation using toilet paper and vegetable oil to explore the characteristics of direct variation. They...
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eBook
Rice University

College Algebra

For Students 9th - Higher Ed Standards
Is there more to college algebra than this? Even though the eBook is designed for a college algebra course, there are several topics that align to Algebra II or Pre-calculus courses. Topics begin with linear equation and inequalities,...
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eBook
Rice University

Algebra and Trigonometry

For Students 10th - Higher Ed Standards
Move on into trigonometry. An informative eBook takes the content of a College Algebra course and adds more relating to trigonometry and trigonometric functions. The content organization allows pupils to build upon their learning by...
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Lesson Plan
Curated OER

A Whiff of Danger

For Teachers 9th - Higher Ed
Public health trainees read and write a summary of the article, "A Whiff of Danger". The article is not available through the link, but can be found on the National Center for Biotechnology Information website. After summarizing,...
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Lesson Plan
Pennsylvania Department of Education

What Balances?

For Teachers Pre-K - 2nd
Students explore another meaning of subtraction as it pertains to the inverse of addition. In this what balances lesson plan, students identify the concept of subtraction as a balance. Students use subtraction facts to generate addition...
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Lesson Plan
Curated OER

Turning the Air Upside Down

For Teachers 4th - 6th
Students analyze how engineers study temperature inversions and convection currents to understand why pollution levels may be higher in some areas than others. They participate in an experiment that allows them to build simple models to...
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Lesson Plan
Curated OER

Fractions and Ribbons

For Teachers 6th
Sixth graders explore using inverse operations to solve decimal and fraction problems. In this decimal and fraction lesson, 6th graders prepare ribbon for a part and need to cut it in equal lengths. Students analyze the problem.
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Lesson Plan
Curated OER

Adding and Subtracting

For Teachers K - 1st
Students will add and subtract numbers less than 100 as well as understand and use the inverse relationship between addition and subtraction. They compose/decompose numbers up to 10 and understand a variety of situations in which...
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Lesson Plan
Curated OER

Integers in the Weather

For Teachers 6th - 7th
Middle schoolers engage in a clever lesson that combines meteorology with mathematical thinking. They use integers in relation to high and low temperatures that they record. They use a spreadsheet of weather data, a computer, and gain...
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Lesson Plan
Curated OER

Simon Dit! (Simon Says!) - Using the Imperative Tense With Pronominal Verbs

For Teachers 5th - 8th
Students practice using the imperative tense of pronominal verbs. In French, they give commands, advice and suggestions. Using "Simon Says" flashcards, students play a game by responding correctly to the commands. Throughout the game,...
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Lesson Plan
Curated OER

Weather Watchers

For Teachers 4th - 6th
Students study basic meteorology concepts. They build a simple barometer to measure air pressure. They explore the concepts of relative humidity, air convection currents and temperature inversions and to discover their connection to...
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Lesson Plan
Curated OER

Exponents III- Squares and Square Roots

For Teachers 7th - 8th
Students explore the process of inverse operations to solve square root problems. After exploring the perfect squares and area, students examine methods to find square roots by observing the teacher, taking notes, and listing vocabulary...
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Lesson Plan
Curated OER

Trigonometric Graphing

For Teachers 9th - 12th
Students analyze graphs. In this trigonometric instructional activity, students identify the different graphs of sine, cosine and tangent. They graph the inverse of those trig values and identify their properties such as phase shift and...
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Lesson Plan
Curated OER

Multiplying Fractions

For Teachers 6th - 8th
Students investigate the concept of multiplying fractions and use the inverse for doing division. They practice working the problems with scaffolding provided by examples with the teacher. The link is made to real life with the...
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Lesson Plan
Curated OER

Dendrology Scavenger Hunt

For Teachers 9th - 12th
Students examine leaves that are assigned to them.  For this earth science lesson students work in groups and find examples of leaves that the instructor asks for. 
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Lesson Plan
Curated OER

Tree Leaves: Determining the Characteristics They Share in Common

For Teachers 9th - 12th
Students use their basic knowledge of dendrology concepts and terms.  In this tree leaf lesson students divide into groups and determine which characteristics go with what plant.