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Student Achievement Partners
Illustrative Mathematics: Art Class [Pdf]
Students demonstrate understanding of proportional relationships when completing an assessment.
PBS
Pbs Mathline: How Many Noses Are in Your Arm? Lesson Plan [Pdf]
Students will determine how many noses are in your arm by exploring measurement and ratio. Printable lesson.
Other
Mathpower: Math Fundamental Assignments
Math variety of concepts, this colorful website is sure to give your students the chance show what they know. Concepts covered include rounding, division with decimals, order of operations, ratio, percent, multiplication, and division of...
CK-12 Foundation
Ck 12: Interactive Middle School Math 7 for Ccss
A complete CCSS Grade 7 Mathematics course that includes interactives in every lesson, plus videos, hands-on activities, and questions with immediate feedback. Every lesson also has specifically chosen 'Related Modalities' that teach the...
PBS
Pbs Learning Media: Math + Arts: Dragon Scales
In this lesson plan, students create a class mural by using scale, ratio, and proportion. Media resources and teacher materials are included.
Science Education Resource Center at Carleton College
Serc: Take a Deep Breath on the Appalachian Trail
A lesson plan that includes a PowerPoint learning module for students. They will examine spreadsheet data on air quality in Great Smoky National Parks, and solve problems using ratio and proportion. The exercises will help them to...
CK-12 Foundation
Ck 12: Measurement: Distances or Dimensions Given Scale Measurements
[Free Registration/Login may be required to access all resource tools.] Find actual distances or dimensions using a given scale, ratio, or proportion.
PBS
Pbs: Scale City: One Dimensional Scaling in the Real World
In this video, life-size replicas help demonstrate one-dimensional scaling and the ratio relationship between two real-world quantities. The accompanying classroom activity helps students understand how ratios and proportions can help...
PBS
Pbs Teachers: Something Fishy [Pdf]
Estimate the size of a large population (fish in a bay) by applying the concepts of ratio and proportion through the capture-recapture statistical procedure.
Texas Instruments
Texas Instruments: Picturing Probabilities of Number Cube Sums
Students use ideas of ratio and proportion to investigate various ways to make a circle graph. Students create graphs to display the probabilities of the different sums that can be generated with two number cubes. [Requires Adobe Reader.]
CK-12 Foundation
Ck 12: Measurement: Scale Distances or Dimensions
[Free Registration/Login may be required to access all resource tools.] Find scale dimensions using actual measurements and a ratio or proportion.
Other
Nm Learning Games Lab: Math Snacks
Games and videos, each accompanied by guidelines for teachers and students, cover math topics such as proportion, ratio, number line, scale, and measurement. Downloads are available for iPad, iPhone, and iPod Touch.
Khan Academy
Khan Academy: The Sat Math Test: Problem Solving and Data Analysis
SAT Math questions fall into different categories; one of these domains is Problem Solving and Data Analysis. These questions might ask you to create an appropriate equation from a word problem, convert units, or understand the meaning...
University of South Florida
Fcat: Two for One Box Company: Teacher Notes
At this site learners use proportions to explore how volume is effected by dimension changes. This hands-on activity can be done individually or in pairs.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Similarity
This site contains a lesson plan for high school age students. The objective is to discover the factor of proportionality in similar polygons and to relate this factor to the perimeters and areas of similar polygons.
Math.com
Math.com: Similar Figures
This example provides a clear explanation of how to compare figures to see if they are similar and the formula to determine if the ratios are equal. Interactive practice activities are provided.
CK-12 Foundation
Ck 12: Geometry: Indirect Measurement
[Free Registration/Login may be required to access all resource tools.] In this lesson students find unknown measurements indirectly using the ratios and proportions of similar figures. Students examine guided notes, review guided...
Khan Academy
Khan Academy: Equivalent Expressions With Percent Problems
Practice equivalent expressions with percent problems.
Annenberg Foundation
Annenberg Learner: Part C: Fibonacci Numbers
Look at an interesting application of ratios that demonstrates the amazing patterns that emerge when we examine mathematics. The Fibonacci numbers are found in art, music, and nature.
Texas Instruments
Texas Instruments: Math Today Wing Tabs Save Fuel
Using the USA TODAY Infograph, 'Wing tabs save fuel', ratios and proportions will be used to explore the concept of similarity between a drawing/model and the actual dimensions. The effects of dilation (size change) on an image and...
PBS
Pbs Teachers: Math Space Odyssey: How Much Do You Weigh in Outer Space?
Demonstrate the ability to apply the use of decimals, fractions, ratios and proportions to situations based upon given information about planets in the solar system.
National Council of Teachers of Mathematics
Nctm: Figure This: Vcr
This resource presents an interesting challenge for the serious mathematician with strong reasoning skills. Explore proportional reasoning, probabilities, fractions, and ratios in this challenge to figure out if you always get six hours...
Math Drills
Math Drills: Fractions Worksheets
Download and print these worksheets to sharpen your skills working with fractions. Worksheets focus on modeling fractions, ratios and proportions, comparing, ordering, simplifying, converting, and order of operations.
PBS
Pbs: Scale City: Similar Figures in the Real World
This video features the Louisville Slugger Museum and Factory, home to the world's largest bat. Students see the role that measurement and engineering play in making bats to professional players' specifications and are asked to consider...
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