### We found 143 resources with the keyterm proportions

Videos (Over 2 Million Educational Videos Available)
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How to paint a watercolor and ink flower...
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Who was Frederick Douglass?
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Population Genetics
Other Resource Types (143)
Instructional Video9:34
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#### Similar Triangles

For Students 9th - 10th
Although a rather complicated topic, this video manages to clearly explain the concept of solving problems involving similar triangles. It employs problem solving to determine whether two figures are similar triangles. In addition, it...
Instructional Video9:55
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#### Similar Triangles (Part 2)

For Students 9th - 10th
Building on concepts in the first part of the series on similar triangles, installment number two explores how to find the values for given angles in a triangle. These problems are solved by using algebra and ratios. A step-by-step...
Instructional Video8:39
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#### SAT Prep: Test 1 Section 6 Part 2

For Students 9th - 12th
Using the process of elimination, Sal takes students through helpful ways to solve multiple choice questions on the SAT quickly and correctly. Problems 5-6 involve probability and proportions.
Instructional Video7:42
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#### SAT Prep: Test 4 Section 2 Part 6

For Students 9th - 12th
If students require deeper explanations on algebra problems, this video (which ends this practice SAT session) would be beneficial. Sal goes into detail about his methodology and thought process behind some of the more difficult problems...
Worksheet
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#### Go Fish! Student Worksheet

For Students 3rd - 4th
A math and science worksheet prompts learners to simulate how scientists determine populations of animals out in the wild. They use goldfish crackers, paper bags, and a styrofoam cup as their tools. An excellent cooperative group activity!
Instructional Video5:17
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#### Converting Gallons to Quarts, Pints, and Cups

For Students 4th - 7th Standards
Provide your students with the context and information they'll need to convert gallons to quarts, pint, and cups. In this video, Sal defines gallons, quarts, pints, and cups. Then he uses this information to solve a problem where he must...
Lesson Plan
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#### Harry's Job at a Candy Store

For Teachers 4th - 6th
Teach the class how to multiply fractions by a whole number with a Cyberchase video and real-world problems. This instructional activity includes a video, a worksheet and assessment options.
Instructional Video4:06
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In 1 Collection
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#### Solve Ratio Problems Using Double Number Lines

For Students 5th - 8th Standards
Organization is the best way to make sure that ratios are set up correctly to be proportional. This video reviews how to solve ratio problems with addition and multiplication, shown in more detail in the prior two videos of this series,...
Instructional Video14:27
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#### MTEL Math Practice Test: 31-35

For Students 11th - Higher Ed
Applying algebra and geometry skills, a set of problems tests the viewer with questions about area, radius, and proportions. An excellent review for even the most confident future math teacher, the video is sure to help with the correct...
Instructional Video5:59
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#### What's the Means-Extremes Property of Proportions?

For Teachers 6th - 9th
Watch how easy solving proportions can be. Using the means-extremes property of proportions you'll be able to solve a variety of proportion problems. Example problems are worked to show you how this property looks in action. Hint:...
Instructional Video1:48
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#### What are the Means and Extremes of Proportions?

For Teachers 8th - 10th
What's a proportion? Is it a comparison of fractions? Are the fractions of equal value? Is it a ratio? Are the ratios equal? Watch this video and see the instructor explain the answers and she will tell the special names for the terms in...
Lesson Plan
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#### Walk-a-thon 2

For Teachers 6th - 9th Standards
During a walk-a-thon your learners must determine the walking rate of Julianna's progress. Using tables, graphs, and an equation, they must be able to calculate the time it took her to walk one mile and predict her distance based on the...
Lesson Plan
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#### Two-School Dance

For Teachers 7th - 9th Standards
Who's ready for the dance? When two middle schools combine for a dance, your learners' job is to calculate the ratio of girls attending. Provided with three different solutions, you can choose from setting up a ratio, linear equation, or...
Lesson Plan
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#### Chess Club

For Teachers 6th - 8th Standards
When the membership in a chess club changes, it is your mathematicians' job to find out how many boys and girls are attending and the percent change from last year. The activity provides a great compound problem finding the different...
Lesson Plan
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#### Walk-a-thon 1

For Teachers 6th - 8th Standards
Your mathematician's job is to explore the relationship between hours and miles walked during a walk-a-thon. The activity compels your learners to experiment with different means in finding out this proportional relationship. The answer...
Lesson Plan
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#### Pike Problems in Lake Davis

For Teachers 8th - 12th
Pike fish pose a threat to native trout and catfish in lakes. Would you drain and poison a lake to get rid of the Pike fish? If the lake was drained and poisoned, then refilled and repopulated with trout and catfish, how would you...
Worksheet
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#### Sentence Based Ratios and Proportions Worksheet

For Students 5th - 6th
In this ratios and proportions worksheet, students read each sentence and write the indicated ratio on the blank line. They complete 7 examples.
Lesson Plan
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#### Applications Using Rational Equations

For Teachers 7th - 10th
Algebra learners explore the concept of writing equations using rational expressions. This work sheet contains a number of word problems including reciprocal number problems, work problems, and problems can that be solved using...
Lesson Plan
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#### Using Algebra to Explore Problem Space

For Teachers 7th - 9th
Students apply their knowledge of math by rewriting word problems using equations. In this word problem lesson, students build upon previous knowledge as they set up the correct steps to solve word problems. This lesson is full of hints...
Lesson Plan
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#### Am I Related to Myself?

For Teachers 4th - 6th Standards
Elementary or middle schoolers use ratios to discover some nearly constant relationships between measurements of parts of the human body. They find and record pairs of measurements and determine the relationship between the pairs. Pupils...
Interactive
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#### Concept: Ratios and Proportions

For Teachers 4th - 8th Standards
Upper elementary and middle school pupils fill out a chart creating six equivalent fractions and then compare them to six different objects and/or shapes. They group together 16 various terms related to ratios and proportions. Pupils...
Lesson Plan
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In 1 Collection
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#### Partying with Proportions and Percents

For Teachers 6th - 8th Standards
Examine ratios and proportions in several real-world scenarios. Children will calculate unit rates, work with proportions and percentages as they plan a party, purchase produce, and take a tally. This lesson plan recommends five...
Lesson Plan
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#### The Foundation of Math and Science

For Teachers 9th - 12th
High schoolers uncover the mathematical proportions as well as the history of the Parthenon. In this math and science instructional activity, students use research to find the contributions of ancient Greeks made to our current society....
Instructional Video2:47
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#### What is a Ratio?

For Teachers 4th - 6th Standards
Explore the concept of ratios with this film. Using pennies and nickels, an instructor shows how to describe a ratio. However, I think the use of money might be a bit confusing. Prior to showing this video, you may want to clarify that...