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318 resources with the keyterm ratios

1:30
Lesson Planet

What are equal ratios?

For Teachers 4th - 6th
Using a visual means, this video explores comparing ratios. This is a terrific way to approach the topic since it is a difficult concept for learners to understand. It is worth showing to the whole class, every mathematician can benefit...
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The Golden Students

For Teachers 6th - 12th
Scholars view the video, "Donald Duck in Mathmagic Land," and discuss examples in nature which have proportions of the golden ratio. They measure and record different body lengths from a worksheet and convert the ratios to equivalent...
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Ratios, Rates, Percent and Nutrition

For Teachers 6th - 8th
Examine food labels to determine percentage of fat and sugar to total calories with middle schoolers. Daily nutritional guidelines are discussed and learners will decide how well their foods fit into a healthy diet. In the provided...
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If You Hopped Like a Frog

For Teachers 6th - 8th Standards
Get your frogs hopping by introducing them to the concepts of ratio and proportion. As a class, they perform arithmetic operations using ratios then discover how they represent quantitative relationships. In groups, they write their own...
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Measure for Measure

For Teachers 6th - 12th
Young mathematicians work to recognize the relationship between their scale models of the Joides research vessel and the real vessel. They calculate the relationships between various parts of the ship using fractions, ratios, and...
3:56
Lesson Planet

Introduction to Ratios

For Students 7th - 9th
Demonstrating the concept of ratios with several simple examples (animals, fruit, girls and boys in class), Sal guides viewers through the process of finding and simplifying ratios. Even those who have a hard time grasping the concept of...
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How Gear Systems Work: A Research Project

For Teachers 4th
Students apply information regarding simple machines along with the math concept "ratios." The teacher introduces the concept that technology is the application of scientific knowledge and mathematics concepts to solve a problem. This is...
3:34
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How Do You Solve a Ratio Word Problem?

For Teachers 5th - 7th Standards
Review how to calculate ratios using this film. The instructor works through word problems involving a ratio. This is a wonderful way to make ratios easier to understand.
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Getting Started with Geometry - Scale Factor

For Teachers 9th - 12th
Students explore the concept of scale factors.  In this scale factors lesson, students dilate polygons and determine the ratio of the perimeters and areas of an image and pre-image.  Students use Ti-Nspires to graph triangles, measure...
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60-30-10

For Teachers 6th - 8th
Pupils use ratios and proportions to represent quantitative relationships as they investigate the concept of how percentages are used by designers. Students decorate the same room using three different percentages of colors.
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Ratios and Proportions Word Problem Worksheet

For Teachers 5th - 6th
In this ratios and proportions worksheet, students solve 7 word problems. They are given the ratio in each problem so that they can apply it when solving the problem.
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The Attack of the Manhole Monsters

For Teachers 9th - 12th
Students explore the concept of similarity. They examine such topics as ratio of corresponding sides, internal ratios and scaling factors. After watching a video, student groups perform experiments outside the school building.
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Sine, Cosine, and Tangent Ratios

For Students 11th
In this ratios learning exercise, 11th graders solve and complete 8 various types of problems. First, they read each problems and draw a sketch for each. Then, students write a trigonometric ratio for each problem and round any decimal...
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Teaching Ratios and Probability

For Teachers 6th - 9th
Pupils work together to develop ratios from a deck of cards. They put the cards into different combinations and discuss the ratio. Everyone calculates probability from one deck of cards.
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Ratio and Proportion: Writing Ratios (2 of 2)

For Students 4th - 7th Standards
Elementary and middle schoolers use pictures to figure out simple ratios and complete ratio word problems. An example is done for learners in which three apples and seven oranges are displayed. The answer simply is a ratio of 3:7. The...
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Ratio and Proportion: More Writing Ratio

For Students 6th - 8th Standards
Three ratio word problems make up this concise assignment. Mathematicians compare blondes to redheads, red and white shirts, and action-adventure and sports video games. The write ratios to answer the questions. Use this as a class warm...
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Ratio Worksheet (Eggs and Marbles)

For Students 6th - 7th Standards
Challenge your eggheads with this task! They write ratios of good, rotten, and broken eggs. Then they write ratios for different-colored marbles. A straightforward assignment that provides needed practice when first learning ratio format.
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Three to One

For Teachers 7th - 9th
Young scholars examine proportion.  In this three to one lesson, students discuss and produce statements on the proportion S:L::1:3.  
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At-Home Practice: Ratios, Rates and Proportions

For Students 5th - 7th
Middle-schoolers complete the exercises on two pages that pertain to rates, proportions and ratios. They find unit rates, determine if ratios are proportional and use cross products to find the missing numbers in proportions.
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Reviewing the Concepts of Ratio and Proportions

For Students 6th - 8th
On this colorful ratios and proportions learning exercise, math magicians solve eight real-life application problems. They compare the number of boys and girls, coins in a piggy bank, and more. 
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Similar Figures

For Students 6th - 8th
Triangles provide a terrific opportunity to explore proportionality! In this similar figures worksheet, math minds read a brief explanation pertaining to ratios and proportions within triangles. Then they are turned loose to try solving...
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Proportionally Speaking!

For Teachers 6th - 8th
Pupils are introduced to the concept of proportions. In groups, they practice solving equations and identify the fraction and ratio as well. They complete a worksheet following the steps outlined to them to review the concept.
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Ratios and Rates

For Students 6th - 9th
Here is a ratios, rates, and proportions worksheet which invites learners to solve word problems dealing with ratios, rates, and proportions. They complete 26 problems total.
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Worksheet 2: In/Out Table of Returns of Corn Yields

For Teachers 7th - 8th
In this function worksheet, students determine the gross price earned per acre of crops planted. They recognize ratios and proportions as they determine the yield of each crop.