Curated OER
Comparing Candy Bars
Eighth graders identify that a ratio is a comparison of two numbers and that a proportion is an equation that equates two ratios. They identify the extremes and means of proportions, as well as the product of the extremes equals the...
Curated OER
Venn Diagrams & Word Problems
Students explore the concept of Venn Diagrams through word problems. In this Venn Diagram instructional activity, students solve word problems about groups of people using Venn Diagrams. Students use survey results about MySpace and...
Curated OER
Asthma "Outbreak" Exercise
Students investigate numerical data on a possible asthma epidemic. Using statistical information, students graph and figure ratios of the epidemic. They evaluate the mortality rate from severe smog in the 1950's in London.
Alabama Learning Exchange
Scaling Down the Solar System
Learners work collaboratively to gain a better understanding of the vastness of space by scaling down the solar system. They measure by inches, gain an understanding of space, and model the distances of the planets from the sun.
Helping with Math
Percentages: Calculating Percent - 2
Here is a worksheet on which math classes practice calculating the percentage of different numbers. Some of the percentages involve decimals, so this would not be an assignment for first-time percent calculators! You can print the...
Curated OER
More for my Money
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...
Curated OER
Juggling Slopes
Learners identify the slope of a line. In this algebra lesson, students label slopes as positive, negative, zero or undefined. They use the slope formula to find the slope algebraically and graphically.
Curated OER
A Special Relationship
Middle schoolers discover the relationships of the lengths of the sides of right triangles and right triangles using a series of drawings on dot paper. They investigate and solve problems of standard (customary and metric units) and...
Curated OER
Climate, Corals, and Change
Students examine oxygen isotope ratios and how they are related to water temperature. They also identify three forcing factor changes for climate change.
Curated OER
Salaries: How much do Professional Football players Make?
Seventh graders use the internet to investigate the salaries of professional football players. They calculate how much the top five paid athletes in football earn for one game and for one minute of playing time. Students determine the...
Curated OER
Similar Triangles
Ninth graders find the height of every day objects using techniques learned through postulates that allow triangles in a problem to be similar. They calculate the length of a missing side and solve proportions.
Curated OER
Maps
Students figure out the mileage from one state to another using a map. In this map lesson, students look at the scale factor and turn it into a fraction. They measure the distance between two cities and use the proportion to find the...
Curated OER
Party Time
Students explore the cost of a party. In this math lesson, students plan a party and determine the cost of hosting a party. Students use information from grocery stores to determine the unit cost of items for the party.
Council for Economic Education
Calculating Simple Interest
How much is owed? A calculated resource introduces the simple interest formula with a video that describes how to use it. Classmates then show what they know by answering questions within a simple interest worksheet.
Curated OER
Linear Equations
Pre-algebra pupils examine the rate of change and how we can interpret it as a linear function. They are introduced to slope-intercept equations and graphs. Plenty of instruction is provided along with example problems. Note that even...
Curated OER
Diet Evaluation Project
Students record two consecutive days of food intake. They identify which nutrients are below 70%. They compare diet composition between protein, fats, and carbohydrates. They evaluate fat in the diet to fall below the American Cancer...
Curated OER
Proportion Problems
Seventh graders explore the concept of proportions. For this proportions lesson, 7th graders determine which offer is the better deal given two pizza offers. Students use cross products to solve proportions. Students write directions...
Curated OER
Sizing Up the Supersize Croc
Students examine and compare traits of humans and crocodiles. In this crocodile lesson students use a ratio to estimate the height of a person and compare that to a crocodile.
Curated OER
Fractions, Decimal, Percent Relationships.
Students solve problems involving fractions, decimals and percents. In this algebra lesson, students examine the relationship between fractions and percents and between decimals and percents. They convert between percents, decimals and...
Curated OER
The Good, The Bad, The Ugly
Sixth graders examine the causes of the stock market crash of 1929. In this integrated math/history unit on the stock market, 6th graders study, research, and read stocks, visit a local bank, and create a PowerPoint to show the...
Curated OER
Math Test Practice-Grades 4-6
In this math test practice worksheet, students complete a total of 10 problems using a variety of concepts. Page has links to answers and additional activities.
Noyce Foundation
Photographs
Scaling needs to be picture perfect. Pupils use proportional reasoning to find the missing dimension of a photo. Class members determine the sizes of paper needed for two configurations of pictures in the short assessment task.
Noyce Foundation
Sewing
Sew up your unit on operations with decimals using this assessment task. Young mathematicians use given rules to determine the amount of fabric they need to sew a pair of pants. They must also fill in a partially complete bill for...
Arcademics
Dirt Bike Proportions
Dirt Bike Proportions is a multi-player racing game that allows students from anywhere in the world to race one another while completing equivalent proportions!
Other popular searches
- Ratios and Rates
- Rates Ratios and Proportions
- Unit Rates and Ratios
- Proportion Rates and Ratios
- Rates and Ratios Notes
- Ratios and Rates Worksheets
- Rates, Ratios and Percents
- Ratios and Rates Powerpoint
- Rates and Ratios Unitary
- Rates Ratios and Percents
- Ratios and Calculating Rates
- Rates and Ratios 1