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Pepper Problem
In this secondary mathematics activity, students determine the solutions to a riddle which involves the selling of peppers and whose solution requires the use of ratio and proportion. The one page activity contains one...
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Division
Students complete division activities using the concept of sharing equally. In this division lesson, students discuss division using equal piles. Students receive sets of candy and determine if the example were fair. Students view an...
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Australian Currency
Students investigate currency and exchange rates. In the middle school mathematics lesson, students use ratio and proportion to convert from Australian currency to the U.S. dollar and vice verse. Students create their own...
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Designing Kites
Sixth graders sketch their own kites by creating a scale drawing of an original design. In this designing kites lesson, 6th graders draw a rough sketch, then accurately draw their design on large paper with a ruler, measuring...
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Optimization For Breakfast
Learners identify he proportion of a cereal box. In this algebra lesson, students define the relationship between patterns, functions and relations. They model their understanding using the cereal box.
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When Am I Ever Going to Use this?
Young scholars solve problems using equations and properties of integers. In this algebra lesson, students solve problems using ratio and proportion and graph their answers on a coordinate plane. They solve word problems using geometry.
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Worksheet 7
In this integral worksheet, students are given 42 short-answer problems regarding rates, proportions, integrals, graphing, differentiable functions, and average values.
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Soda Cans
Students identify and use properties of similar figures. In this geometry instructional activity, students use proportions of the sides of triangles to solve triangular relationships. They use soda can as their visuals.
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Reno's Dilemma
Students explain proportions as it relates to principle and interest. They use proportions to explain relationships and analyze relationships by identifying patterns.
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Art Techniques
Third graders create a self portrait using correct proportions and details. After completing their portrait, they exchange their portrait with that of a classmate and offer constructive criticism of the portrait and suggestions for...
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Body Building
Students determine whether ancient Egyptian drawing was proportional and in perspective by comparing ancient Egyptian drawings, a mummy's x-ray, and contemporary photographs of people.
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Self-Portraits
Eighth graders practice the techniques of color, face proportion, emotion through color, and how to integrate handheld applications in Art projects in this Art lesson for the 8th grade classroom. Self-Portraits are used and emphasized in...
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Data Analysis & Probability
High schoolers make predictions based on survey results. They calcuate sample proportions. Students estimate the number of voters in their district preferring the democratic candidate using their sample results. They review sample...
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Comparing Notes: a Mathematical Exploration of the Piano
Young scholars examine the history of equal temperament, the modern standard of tuning a piano. Proportion calculations of octaves and perfect fifths are utilized to calculate the frequency of each note in a major scale.
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Voting Systems
Students view many viewpoints on Britain's voting systems. Students compare/contrast various forms of electoral systems. Students trace the steps to proportional representation.
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Protecting the Herd
Learners explain how immunizing a significant proportion of a population against a disease prevents epidemics of the disease (herd immunity). They list factors that affect the proportion of a population that must be immunized to prevent...
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THE MEAN INDEX CARD
Middle schoolers cut an index card to create three similar right triangles and explore the congruencies and proportions that exist. They investigate the properties of lines and concepts of congruency, similarity, tangency and symmetry of...
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How Many Bears in the Forest?
Third graders model the tag and recapture of bears and use proportions to estimate the population of the bears in their forest. This is a statistical sampling method used by scientists and naturalists to determine population numbers.
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The Human Pendulum
Students examine how length, amplitude, and mass affect the period of a pendulum. They conduct an experiment that analyzes the variables affecting how a pendulum works, and identify the proportions that exist between the variables.
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Squirt
Fourth graders using the idea of "how many more squirts" fill a container to develop multiplicative thinking. They also investigate the idea of conservation of volume when working with oddly shaped containers. They attempt to use...
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Art & Culture Influence Each Other
Students compare and contrast the effects of culture upon the community and visa versa. In groups, students create Chumash style artwork and proportioned sculptures. They examine the perspective of the Renaissance Period and design...
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Lake Pepperidge Farm
Students calculate proportions to determine the total population of Lake Pepperidge Farm. They collect a blind sample of fish and count the number of tagged and untagged fish. They collect data from all samples and record the data in a...
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Eating Fruit
Learners select a piece of fruit from a central table. After some discussion on ways of representing form and proportions students record as accurately as possible, the entire fruit.
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Egyptian Profile Portraits
Second graders design Egyptian style portraits. They use the correct proportions while drawing and painting the facial features.
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