Curated OER
The Patchwork Quilt and Something From Nothing
Students listen to the teacher read the first 26 pages of the story, Something From Nothing, and discuss what predicting means, Students predict how Joesph might remember what his grandfather made him, now that the button is gone. They...
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Golden Connections
Students determine the ratio of pairs of consecutive terms in the Fibonacci Sequence. Using four different colors, they create a golden rectangle in either two or three dimensions. They use photographs to create two collages using...
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Landmark Restoration Project-Scale Model Measurements
Learners work in cooperative groups to find the actual measurements of an historical building/landmark. Then they use ratio and proportion to figure the measurements that might be used to create a scale model of the structure.
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Using Variables And Ratios To Get You in the Right Gear
Learners examine the use of variable and ratio in everyday situations including figuring out the gear ratios for the gears on a 12 speed bike. They use the bubble sort technique to write a computer program which will determine the...
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Jazz and Math: The Beat Goes On
Students collect real data through listening, counting and timing jazz pieces.They use ratios, rates, and proportions to report collected data and demonstrate an understanding of the concepts of rhythm and tempo in music.
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Least Squares Fit Line
Students estimate the least squares fit line for a set of data. They understand error involved in least square fit lines. They solve application problems using least square fit lines.
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Genes Count
Students view a video that reviews Mendelian genetics. They discuss the Hardy-Weinberg Law and use Popsicle sticks to simulate genetic variations and ratios in offspring.
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Sun, Shadows, Surface Structure...and the Face on Mars
Students use light and shadow information to make inferences regarding the three dimensional shapes of specific objects photographed on the surface of Mars. Limitations of the of the data provided are discussed and entries made into the...
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A Planet Full of Animals
Students explore a variety of animals that live on our planet. The shapes, sizes, colors, movements, and coverings of the animals are observed. The similarities and differences in the animals are grouped according to common traits.
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What's Math Got To Do With It?
Students explore numbers, computation, ratios, proportions, probabilities, statistics, and money in this six lessons unit. Practical applications in the real world are emphasized through an interactive approach to math in these lessons.
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How Big Is a Piece of PI?
High schoolers explore the ratio of circumference to diameter in order to estimate a value for pi.
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All About Ratios
Students investigate the use of multiplication and division of whole numbers to solve problems including equivalent ratios and rates.
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Ratio and Proportions
Students explore the means and extremes of a proportion, the how to make a scale drawing.
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A Recipe For Success
Sixth graders explore a relevant application of ratios and proportions. They apply this concept through guided practice and interactive feedback.
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Oobleck and the Mystery Powders
Students listen to the book, "Oobleck," by Dr. Suess before experimenting with mystery powders. They determine the proper ratio of powder to liquid to make the Oobleck.
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Baseball Proportion
Eighth graders measure regular baseball bats and souvenir bats in centimeters. They determine how tall a person would be to be in proportion to the souvenir bat, create a poster depicting the person, and explain the proportional...
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Shaquille O'Neal Hand/Foot Span
Eighth graders measure foot length and hand span in this experiment to determine the ratio. They apply the ratio to determine Shaquille O'Neal's hand span if given his shoe size.
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Two for One Box Company
Eighth graders experiment to decide if a box that is twice as big holds twice a much. They work the concept of volume and how changing dimensions affect it.
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Does More Wins Mean More Fans At The Ballpark?
Students, after getting information from the past baseball season off the Internet, calculate an attendance-to-win ratio for each of the 28 major league teams and then study the results to see if winning always leads to good attendance.
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Ratios
Fourth graders complete a taste test of different sandwiches, rate them, and then put them in a ratio graph. In this ratio lesson plan, 4th graders write what they learned about ratios after this activity.
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Ratio and Unitary Methods
In this ratios worksheet, students solve 4 short answer problems. Students determine the number of girls/boys and oranges/water given a ratio.
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Math: "Scales"
Third graders investigate ratios and rates. In this third grade mathematics lesson, 3rd graders identify equal ratios and rate and test for proportionality. This lesson is created to be use in conjunctions with a particular textbook,...