Lesson Plan
EngageNY

The Structure of Ratio Tables—Additive and Multiplicative

For Teachers 6th Standards
Build tables by understanding their structure. Scholars take a closer look at the structure of ratio tables in the 10th segment in a 29-part series. Individuals realize that the tables can be built using an additive or...
Assessment
1
1
California Education Partners

Photos

For Students 7th Standards
Why do all sizes of pictures not show the same thing? Class members analyze aspect ratios of various sizes of photos. They determine which sizes have equivalent ratios and figure out why some pictures need to be cropped to fit...
Lesson Plan
EngageNY

From Ratios to Rates

For Teachers 6th Standards
Rate ratios with unit rates and rate units. Pupils take ratios and determine their associated rates and unit rates. The scholars identify the different aspects of rates, the unit rate, and the rate unit. The lesson is the 16th in a...
Lesson Plan
Curated OER

Horatio's Ratios

For Teachers 6th - 8th
View a PBS video entitled Horatio's Drive and explore Horatio's Ratios. Collaborative learners form groups to use Mapquest to determine distances covered. They generate the mathematical averages, ratios, and rates in order to calculate...
Lesson Plan
Illustrative Mathematics

Riding at a Constant Speed, Assessment Variation

For Teachers 5th - 7th Standards
Practice ratios and unit rates with tracking how long Lin took to ride her bike. Provided with different questions, your mathematicians can assemble their answers using a chart or setting up ratios. The activity is included in a set of...
Lesson Plan
Curated OER

Word Problems Dealing with Ratio and Proportion

For Teachers 6th - 8th
Mindful middle-schoolers read and solve a number of word problems. Learners copy and discuss what they believe their strategies are in solving each problem. They also write their findings and share with the rest of the class.
Lesson Plan
Curated OER

The Golden Ratio

For Teachers 9th - 11th
Students solve problems using ratios and proportions. In this algebra lesson, students verify proportions, solve for the unknown and use real life scenario to model proportion.
Lesson Plan
Illustrative Mathematics

Molly's Run, Assessment Variation

For Teachers 6th - 8th Standards
Part of as assessment series, the activity follows the lesson Molly's Run to practice ratios and dividing with fractions. Different solution options are given for your learners' preference. The commentary explains how the...
Activity
American Heart Association

Pi Day

For Teachers 5th - 8th Standards
Did you know a mathematician's favorite dessert is a fruit "pi"? By participating in a fruit cutting activity, young mathematicians realize one constant—the ratio of a circle's circumference to its diameter is always pi. It is a perfect...
Interactive
PBS

The Lowdown — U.S. Gun Homicides: Visualizing the Numbers

For Students 7th Standards
Is gun violence a big issue in America? Pupils explore gun deaths by type, race, and age group in a Math at the Core: Ratios interactive. The class tries to determine whether America is a safe place to live and use bar graphs and pie...
Lesson Plan
Curated OER

A Real-Life Application of Ratio

For Teachers 6th - 8th
Students discuss the concept of "aspect ratio" of the Helios Prototype. They find real life objects that are taller or shorter than them by a certain amount. They practice with ratio and measurement.
Interactive
CK-12 Foundation

Identifying Sets of Pythagorean Triples: The iPad is a Pythagorean Triple

For Students 8th - 12th Standards
Compare iPad and HDTV aspect ratios. Individuals use the interactive to determine whether the measurements of screens represent a Pythagorean triple. The pupils determine what changes are needed to make a Pythagorean triple.
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...
Assessment
CCSS Math Activities

Cereal

For Students 7th Standards
Your breakfast cereal is a good source of math practice. Young mathematicians apply ratios and percents to analyze the amount of protein and carbohydrates in two brands of cereal. They complete a worksheet to answer several questions on...
Activity
Noyce Foundation

Measuring Up

For Students K - 12th Standards
Teach the basics of measurement and conversion with a five-lesson resource that builds an understanding of proportion and measurement conversion from elementary through high school. Initially, young scholars use ratios to determine soup...
Lesson Plan
EngageNY

Finding a Rate by Dividing Two Quantities

For Teachers 6th Standards
Develop the right station to solve rate word problems. The 18th lesson in a series of 29 starts by interpreting the aspects of rates with two different quantities. Pupils use the interpretation of rates to solve problems, and groups work...
Assessment
CCSS Math Activities

Smarter Balanced Sample Items: 7th Grade Math – Claim 2

For Teachers 7th Standards
To solve or not to solve that is the problem. A slide presentation of 17 items show different ways that Smarter Balanced assesses Claim 2, problem solving. The items span from sixth and seventh grade concepts to highlight the...
Assessment
Noyce Foundation

Sewing

For Teachers 6th Standards
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...
Lesson Plan
Curated OER

Gold Rush California and its Diverse Population

For Teachers 5th - 12th
Students compare contemporary cultural differences with historical differences based on population percentage. In this cross-curriculum Gold Rush/math lesson, students analyze aspects of California's Gold Rush population and diversity...
Lesson Plan
Curated OER

Handy Reflections

For Teachers 6th - 12th Standards
Learners explore reflections on a coordinate plane in this lesson. They trace their hand on a grid, determine the coordinates of each point, and create a scatter plot of their points. Pupils use this information to investigate aspect...
Activity2:09
PBS

Soul Food Junkies: Portions

For Students 6th - 8th Standards
Serve up a rate of percents. The Math at the Core resource investigates the percent of daily value of sodium and saturated fats in different foods. Pupils determine the number of serving sizes they eat of popular snack foods and...
Assessment
CCSS Math Activities

Smarter Balanced Sample Items: 7th Grade Math – Claim 3

For Teachers 7th Standards
Does the explanation make sense? Sample items highlight claim three, communicating reason, in the Smarter Balanced assessments. Teachers use the 16 items to help show pupils the importance of communication and reasoning within...
Worksheet
Achieve

Stairway

For Students 6th - 10th Standards
It's the stairway to learning! Scholars research all aspects of building a staircase. Using information from building codes, they write and graph a system of inequalities to analyze the constraints. The completed project is a scale model...
Lesson Plan
Illustrative Mathematics

Buying Gas

For Teachers Pre-K - 7th Standards
A quick problem to test your middle schoolers' knowledge of dividing with decimals. Also a good practice of unit rates, they must compute the cost of one gallon of gas when given the total amount for a fill up. Can be used as a preface...