Ratios and Proportions Teacher Resources

Find Ratios and Proportions lesson plans and worksheets
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Worksheet
Helping with Math

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...
Lesson Plan
Illustrative Mathematics

Robot Races

For Teachers 6th - 8th Standards
Analyze data on a graph to answer three questions after a robot race. Learners practice comparing ratios and reading points on a graph. Answers may vary on the last question based on accuracy of graphing. Use the lesson along with...
Worksheet
Helping with Math

Ratio and Proportion: Simplifying Ratios (2 of 2)

For Students 6th - 9th Standards
In this assignment, math stars simplify ratios. The first half just displays numbers, whereas the second half describes real-world scenarios with ratios to be written and reduced. The publisher mentions CCSS.Math.Content.6.RP.3, but it...
Activity
Curated OER

Sore Throats, Variation 1

For Teachers 6th - 8th Standards
Why does Nia's water taste saltier than Trey's if she put more into her cup than he did? Math masters set up proportions in order to compare the mixtures. This task effectively has learners apply the concepts of ratio and proportion to a...
Lesson Plan
Curated OER

How Big Is That Star?

For Teachers 6th - 9th
Aspiring astronomers study stars. They compare stars and explain the relationship between radius, mass, and diameter. By creating a star simulation, they discover how a binary star system's orbit can cause changes in the observed...
Lesson Plan
NTTI

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...
Assessment
Noyce Foundation

Lawn Mowing

For Teachers 6th - 7th Standards
This is how long we mow the lawn together. The assessment requires the class to work with combining ratios and proportional reasoning. Pupils determine the unit rate of mowers and calculate the time required to mow a lawn if they work...
Lesson Plan
Curated OER

How Many Noses Are in Your Arm?

For Teachers 6th - 8th
Middle schoolers apply concept of ratio and proportion to determine length of Statue of Liberty's torch-bearing arm. They view video of Statue of Liberty, determine how long statue's arm would be if its nose measures four feet six...
Lesson Plan
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National Security Agency

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
Curated OER

Mark, Recapture, Sampling

For Teachers 5th - 8th
Learners conduct a simulation to explore how scientists estimate the size of animal populations. They analyze a random sample and then extrapolate those results to a larger population. Additionally, they will apply the principals of...
Lesson Plan
Curated OER

A Recipe For Success

For Teachers 6th
Sixth graders explore a relevant application of ratios and proportions. They apply this concept through guided practice and interactive feedback.
Lesson Plan
Curated OER

Recipes and Ratios

For Teachers 7th - 8th
Students use ratio and proportions to adjust recipe size.  In this middle school mathematics lesson, students investigate Native American food and adjust the recipe size for said foods to the number of servings needed to feed the...
Lesson Plan
Curated OER

Origami Cube

For Teachers 9th - 10th
Students compare two lengths using the area of a square. In this geometry lesson plan, students solve problems using ratio and proportion of the two shapes. They solve equations by taking the square root of both sides.
Lesson Plan
Curated OER

Baseball Proportion: Student Worksheet

For Teachers 3rd - 4th
In this mathematics worksheet, students model a batting stance with a regulation size baseball bat. Then they model the batting stance with a souvenir miniature baseball bat. Students measure the length of each bat in centimeters and use...
Activity
101 Questions

Banana Bread Baker

For Teachers 6th - 8th Standards
You don't want to be short bananas when making bread. Scholars use their math skills to make sure there are enough bananas to go around. Using measurements given in a recipe, they must determine how many bananas they need to increase the...
Lesson Plan
Curated OER

Ratios and Proportions

For Teachers 7th
Seventh graders explore the concept of ratios and proportions. In this ratios and proportions lesson, 7th graders work in groups to measure their heights and their arm span. Students compare their height to their arm span. Students make...
Lesson Plan
Curated OER

Robot Ratios

For Teachers 8th - 10th
Students measure the activity and parts of a robot. In this algebra lesson, students explore ratio and proportion using their classroom. They apply properties of fractions as they cross multiply to solve problems.
Lesson Plan
Curated OER

Recipe: Unit Rate

For Teachers 9th - 11th
Students solve problems using ratios and proportions. In this algebra lesson, students identify the unit rate and convert between fractions and decimals. They create graphs from their data.
Lesson Plan
Curated OER

A Blast From The Past

For Teachers 6th - 8th
Students investigate ratio and proportion as they solve problems. In this algebra lesson, students calculate the percent increase on salaries and convert between decimals and percents to calculate. They rate job positions from 1936...
Lesson Plan
Curated OER

Currency

For Teachers 7th - 8th
Students investigate currency and exchange rates.  In the middle school mathematics lesson, students use ratio and proportion to convert from one type of currency to another.  Students solve problems involving currency exchange.
Lesson Plan
Curated OER

More for my Money

For Teachers 8th - 10th
Students solve problems involving ratio and proportion. In this algebra lesson, students analyze the currencies found in different countries. They create formulas to convert between the different currencies and use ratio and proportion...
Worksheet
Curated OER

Ratio and Proportion

For Students 5th - 6th
In this ratio and proportion worksheet, students solve 12 problems in which the ratios of shaded and unshaded tiles are calculated. Students use the provided pictures to write ratios.
Worksheet
Curated OER

Ratio and Proportion

For Students 6th
In this ratio and proportion worksheet, 6th graders solve and complete 5 different types of problems. First, they determine the amount of money each person receives. Then, students calculate the recipe at the bottom of the sheet for 3...
Worksheet
Math Mammoth

Ratios and Proportions

For Students 6th - 8th
In this math learning exercise, middle schoolers use cross multiplication to find the solutions to the given proportions. Then they write the proportions to solve the word problems.

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