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218 resources with the keyterm proportions

Videos (Over 2 Million Educational Videos Available)
The Secret World of Animal Sleep 101 Sleepless on the Savanna Video
3:42
The Secret World of Animal Sleep 101...
Thomas Jefferson - Author of The Declaration of Indepence & 3rd U.S. President | Mini Bio | BIO Video
4:18
Thomas Jefferson - Author of The...
Three-Dimensional Coordinates and the Right-Hand Rule Video
6:09
Three-Dimensional Coordinates and the...
Other Resource Types ( 218 )
9:34
Lesson Planet

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...
9:55
Lesson Planet

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...
8:39
Lesson Planet

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.
7:42
Lesson Planet

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...
Lesson Planet

Find a Percent of a Number - Practice 18.1

For Students 4th - 7th Standards
Given 26 numbers, participants compute percents. They use two different methods: proportions, or equations, in order to solve for the percent of each number. This is an outstanding worksheet, neatly formatted and providing the repetitive...
Lesson Planet

A Hundred by Any Other Name - Enrichment 18.1

For Students 5th - 7th Standards
Here is a very visual assignment to give when learning about calculating percentages. Scholars are shown how to use a 100 grid in which each square represents a value. They shade in blank grids and use proportions to help calculate...
Lesson Planet

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!
5:17
Lesson Planet

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 Planet

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 lesson includes a video, a worksheet and assessment options.
Lesson Planet

Zoo Integrated Unit

For Teachers 6th - 8th
Explore the North Carolina Zoological Park with your class. In this cross-curriculum activity, learners use information from the zoo to create scaled maps, use compasses, and research animals found at the zoo. They take a field trip to...
1 In 1 Collection 4:06
Lesson Planet

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,...
14:27
Lesson Planet

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...
5:59
Lesson Planet

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:...
1:48
Lesson Planet

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 Planet

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 Planet

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 Planet

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 Planet

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 Planet

Triple Crown

For Students 4th - 8th Standards
Bring the excitement of the fastest minute in sports into your classroom with a worksheet about the Triple Crown horse races. Young mathematicians will useĀ information about the races, fun facts about horses, interesting information...
Lesson Planet

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...
Lesson Planet

Sentence Based Ratios and Proportions Worksheet

For Students 5th - 6th
In this ratios and proportions worksheet, learners read each sentence and write the indicated ratio on the blank line. They complete 7 examples.
Lesson Planet

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 Planet

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 Planet

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...