Curated OER
Fire!, Probability, and Chaos
Upper elementary and middle schoolers work with the concept of probability. They are introduced to the concept of chaos. Learners graph and analyze using a line plot, work with mean, and are introduced to the concept of variance.
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Discovering Math Concepts in Business Mathematics, Economics, and Finance
Explore the concept of money and research its origin. There are many concepts related to business math, thusly, there are many formulas used to make calculations around money. Exchange rates of money in different countries, interest,...
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Electoral Politics
Students formulate their own opinions about the issues in an election campaign through a critical examination of political advertisements, candidate debates, and political cartoons.
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It's Your Life
Students make a multiple line graph showing income levels for each education level for the past 8 years and the number of people for each ethnic group and gender is compared within each education level.
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Understanding Rational Numbers and Proportions
Students explore parts of a whole. In this fraction lesson, students determine what makes a fair share. Working with manipulatives, students solve mathematical problems containing fractions.
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Different Perspectives of Oregon's Forest Economic Geography
Pupils locate the many forests located in Oregon.  In groups, they use the internet to research employment data on wood products made in the state.  They discuss how looking at information presented in a different way can change their...
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Paying for Crime
Students participate in activties examining ratios and proportions. They use graphs to interpret data showing the government's budget for prisons. They present what they have learned to the class.
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Resistance in a Wire
Students find the constant of proportionality and apply it to a situation. They use the electrical resistance in a wire as a context for finding the constant of proportionality. In addition, they write an explanation and justification of...
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WINDMILL POWER
Students study  operations with real numbers using mental computation or paper-and-pencil  calculations. They judge the reasonableness of numerical computations and their results.  They set up and solve proportions for direct and inverse...
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How Fast Is Your Car?
Eighth graders discover the relationship between speed, distance, and time. They calculate speed and represent their data graphically. They, in groups, design a ramp for their matchbox car. The goal is to see who's ramp produces the...
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Build a Skittles Graph
Students construct a bar graph with a given set of data.  They calculate the ratio and percent of the data.  Students discuss alternate ways of graphing the data as well as multiple strategies to approach the task.
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Water Conservation
Students explore types of water reserves. In this water conservation lesson, students brainstorm ways water are used in their homes. Students use a graduated cylinder to simulate the amount of water on Earth and the amount that humans use.
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Comparing Ratios
Students solve problems using ratio and proportion. In this math comparison instructional activity, students identify methods used to solve and compare ratio and proportion in the real world. They apply criss cross multiplying to solve...
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Build A Skittles Graph
Students explore graphing. In this graphing instructional activity, students sort Skittles candies and use the color groups to create a bar graph. Rubrics and extension activities are provided.
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Let's Take a Trip!
Sixth graders plan a trip for a family of four choosing their travel plan by studying maps to decide upon a route and visiting Websites to get airline and travel schedules. They use ratios and proportions as well as converting fractions...
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Texas History Math
Seventh graders practice math skills while they become familiar with Texas' Boom & Bust economy and the natural history of the east Texas Piney Woods.
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Whole Numbers
Student are assigned one of the sections on whole numbers.  After reviewing the content, they teach their assigned sections to other class mates.  They publish their findings on a PowerPoint slide show to use when they teach their section.
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Probability Experiment
Students do an experiment with probability. For this probability lesson, they listen to part of the book G is for Googol: A Math Alphabet Book by David M. Schwartz. They complete 3 probability experiments and check to see how close...
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Who Wants to Carry a Million?
Learners, in groups, determine the volume of a box large enough to hold a million dollars. They calculate the dimensions of a bill and the volume of the money.
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Crispy Cookie Class Fundraiser
Seventh graders see the relationship of math and the real world application by manufacturing a product for making a profit. They create a food product from a recipe, record their sales and analyze and report their gross profit.
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Selling Price
Learners work independently to complete a problem solving activity that involves percent. This lesson is designed to be used as an assessment following a unit on percents. Students are presented with a problem involving a store that is...
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Every Breath You Take
Students explore the nature of the air we breathe by observing petri dishes that have accumulated particulate matter from the atmosphere. Students make mathematical calculations and inferences about the effect of this matter on...
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Working with Percentages
Students complete basic operations using percentages in a variety of real world situations. Discounts are computed and compared to a variety of prices listed in local newspaper advertisements.
Achieve
Corn and Oats
How much land does a parcel hold? How much fertilizer does it take for a field of corn? Pupils answer these questions and more as they apply ratio reasoning and unit analysis. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
