Curated OER
Dental Impressions
What an impressive task it is to make dental impressions! Pupils learn how dentists use proportional reasoning, unit conversions, and systems of equations to estimate the materials needed to make stone models of dental impressions....
Balanced Assessment
At the Supermarket
Grocery managers and chefs sure use lots of math. Scholars first use ratios and unit rates to determine a price for a can of corn. Once individuals have the pricing, they determine the amount of ingredients necessary to make brownies...
EngageNY
Prove the Pythagorean Theorem Using Similarity
Amaze your classes with the ability to find side lengths of triangles immediately — they'll all want to know your trick! Learners use the Pythagorean Theorem and special right triangle relationships to find missing side lengths.
Curated OER
Stock Swaps, Variation 2
If Microsoft wanted to take over Apple, how many shares would they need to break even? This is an ideal task for seventh graders who are studying proportional relationships and applying them to real-world scenarios. Use it as an...
Bowland
Alien Invasion
Win the war of the worlds! Scholars solve a variety of problems related to an alien invasion. They determine where spaceships have landed on a coordinate map, devise a plan to avoid the aliens, observe the aliens, and break a code to...
Noyce Foundation
Measuring Mammals
Explore the meaning of scale and proportion with a set of five activities that examines the topic from elementary through high school. The first lessons explore ratio by examining pictures of different sizes. The next three activities...
Curated OER
Lunch Food? Mmmm! Mmmm! Good!
Examine how nutrition plays an important role in our lives by conducting online research and developing lunch menus that satisfy nutritional requirements set up by the United States Department of Agriculture. Students download recipes,...
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 7
In need of an all-inclusive seventh grade math resource? Packed full of the topics necessary for Pre-Algebra the packet includes practice problems with different difficulty levels. It works great for any supplemental use needed...
Curated OER
Comparing Ratios
Students solve problems using ratio and proportion. In this math comparison instructional activity, students identify methods used to solve and compare ratio and proportion in the real world. They apply criss cross multiplying to solve...
Curated OER
Equivalent Ratios (Homework 18.2)
In this ratios worksheet, students solve 20 problems that pertain to equivalent ratios and writing ratios in the simplest form.
Curated OER
Ratios of Similar Figures
High schoolers identify the ratios of different triangles. In this geometry activity, students identify the similarity and differences of triangles. They use the navigator to move the sides of the triangle around.
Curated OER
It's Greek to Me!
Students explore Greek Mythology. In this Greek Mythology unit, students read myths, pantomime vocabulary words, practice research skills, create city-states, and demonstrate knowledge of ratios and proportions. This unit includes many...
Curated OER
What's Math Got To Do With It?
Students explore numbers, computation, ratios, proportions, probabilities, statistics, and money in this six lessons unit. Practical applications in the real world are emphasized through an interactive approach to math in these lessons.
Curated OER
Ratio and Proportion: Proportional Ratios
In this ratios worksheet, students write yes or no for if the ratios given are proportional or not. Students complete 7 number problems and 5 money problems.
Helping with Math
Ratio and Proportion: Writing Ratios (1 of 2)
Here is the first of two printable ratio worksheets. For the first three problems, pupils count the numbers of two different objects and simply write down the ratios. There are then four problems in word form for which they also write...
Curated OER
A Blast From The Past
Middle schoolers 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...
Curated OER
Ratios, Proportions, and Percents - Week 4
In this ratio, proportion and percent worksheet, students solve problems involving ratios and proportions. They identify the percent of increase and decrease, solve ratio problems with proportions, and find sale prices. This two-page...
Curated OER
Proportional Problems 1
Eighth graders explore representing fractions as ratios and proportions. They model proportions through the use of blocks, LEGO gears and activities with bicycle gears and pedals. Students work with bicycle gear boxes to observe and...
Curated OER
A Recipe For Success
Sixth graders explore a relevant application of ratios and proportions. They apply this concept through guided practice and interactive feedback.
Curated OER
Ratio and Proportions
Young scholars explore the means and extremes of a proportion, the how to make a scale drawing.
Curated OER
Recipe: Unit Rate
Students solve problems using ratios and proportions. In this algebra activity, students identify the unit rate and convert between fractions and decimals. They create graphs from their data.
Curated OER
Proportion
Students investigate proportion and ratio. In this geometry instructional activity, students set up the ratios of proportions correctly and solve for the unknown. They relate it to word problems.
Curated OER
Ratios, Proportions and Percents
Fifth graders complete 3 activities centered around percents. In this ratios, proportions and percents lesson, 5th graders create designs on grid paper that illustrate a variety of percents, solve percent problems mentally, and use...
Curated OER
Math and the Greek-Golden Proportions
Fourth graders study math and the golden mean. In this math meets Greek history lesson, 4th graders study ratios and proportions in relation to the Greeks. The use of clay is incorporated ino this lesson.