Worksheet
Curated OER

Proportions

For Students 7th - 8th
For this proportion worksheet, learners identify equivalent fractions and solve proportions. This one-page worksheet contains ten problems.
Worksheet
Curated OER

Algebra Using Proportions

For Students 10th
In this algebra using proportions worksheet, 10th graders solve 14 various types of problems by applying algebra methods to geometry. First, they solve each of 8 proportions using cross products. Then, students use the triangle shown and...
Worksheet
Curated OER

Proportion Problems

For Students 5th - 8th
In this proportions learning exercise, students complete proportion word problems including one and two digit numbers. Students complete 6 numbers.
Worksheet
Curated OER

Unit 5: Worksheet 4 - Proportion

For Students 8th - 10th
In this proportion worksheet, students use proportions to find the length of a missing side of similar triangles. They find percent of a number, and solve real life story problems with percents and discounts. This two-page worksheet...
Worksheet
Curated OER

Word Proportions

For Students 4th - 8th
In this word proportions worksheet, students complete equivalent proportions to have the number equal to another form. Students complete 10 problems.
Worksheet
Curated OER

Solving Problems Using Equivalent Ratios

For Students 7th - 12th
In this equivalent ratios worksheet, students solve word problems when given an equivalent ratio of the answer. Students complete 7 problems.
Worksheet
Curated OER

Unit 5: Worksheet 3 - Similar Triangles

For Students 8th - 9th
For this similar triangles worksheet, students use proportions to solve for the missing sides of similar triangles. This two-page worksheet contains 16 multi-step problems.
Worksheet
Curated OER

Countdown Challenge: Shadow Sleuth

For Students 7th - 8th
In this shadow sleuth worksheet, students use proportions and indirect measurement to determine the measurement of given objects. This one-page worksheet contains three problems.
Worksheet
Lane Community College

Review Sheets: Basic Mathematics 2

For Students 5th - 8th Standards
A good mix of Pre-Algebra problems, learners tackle everything from proportions and equations, to polygons and circles. The sections are broken up by topic with a list of the skills that are required to complete the questions. 
Lesson Plan
EngageNY

Ratios of Fractions and Their Unit Rates 2

For Teachers 7th Standards
Remodeling projects require more than just a good design — they involve complex fractions, too. To determine whether a tiling project will fit within a given budget pupils calculate the square footage to determine the number of...
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

Multi-Step Problems—All Operations

For Teachers 6th Standards
Harness the power of algebra to solve problems. Young mathematicians learn to work out multi-step problems by applying algebraic techniques, such as solving equations and proportions. They use tape diagrams to model the problem to finish...
Lesson Plan
Curated OER

Worksheet #4: Simplify Algebraic Expressions With Two Variables

For Teachers 9th - 10th
In this algebraic expression worksheet, students simplify algebraic expressions and solve proportions, and write equations from story problems. Thirteen of the 49 problems are fill in the blank, and the remainder are multiple choice.
Lesson Plan
1
1
Berkshire Museum

Adopt a Schoolyard Tree

For Teachers 2nd - 5th Standards
Help young scientists connect with nature and learn about trees with a fun life science lesson plan. Heading out into the school yard, children choose a tree to adopt, taking measurements, writing descriptions, and drawing sketches of it...
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...
Worksheet
Curated OER

Taste Test-- Ratios

For Students 5th - 6th
In this math worksheet, students mix four "cocktails" of orange juice and lemonade in the different rations specified. Students rate the drinks and determine their favorite combination. Students answer 10 questions about the ratios in...
Worksheet
Curated OER

Proportional Ratios

For Students 9th
In this proportional ratios worksheet, 9th graders solve 10 different problems that include sets of fractions in each. First, they determine if the product of the means is equal to the product of the extremes. Then, students solve each...
Worksheet
Curated OER

Comparing Ratios

For Students 6th - 7th
In this comparing ratios worksheet, students solve and complete 3 different problems using the screens shown. First, they write a ratio that compares the shaded part to unshaded part illustrated. Then, students use the same grid to...
Worksheet
Curated OER

Using Ratio to Express a Rate

For Students 9th
In this Algebra I worksheet, 9th graders use a ratio to express a rate.  The one page worksheet contains two multiple choice questions.  Solutions are provided. 
Worksheet
Curated OER

Mean Twisters - Mean Proportional

For Students 9th - 10th
In this mean proportional worksheet, students work in pairs to solve right triangle problems. They use ratios and proportions of similar triangles to determine a missing length. This two-page worksheet contains 16 problems.
Assessment
Noyce Foundation

Cereal

For Teachers 6th - 7th Standards
Find the best protein-packed cereal. The short assessment task covers equivalent and comparing ratios within a context. Pupils determine the cereal with the highest ratio of protein. A rubric helps teachers with point allotments for...
Assessment
Noyce Foundation

Photographs

For Teachers 6th - 7th Standards
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.
Organizer
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Yummy Math

US Holiday Candy Sales

For Students 6th - 8th Standards
Candy is a big business! Calculate the amount of money consumers spent on major holidays—Easter, Halloween, Christmas, Hanukkah, and Valentine's Day—based on the total amount of candy sales from 2011 and the percentage of each holiday's...
Lesson Plan
Curated OER

Scale Drawing: Perimeter and Area of a Room

For Teachers 6th - Higher Ed
Using a scale drawing with some dimensions missing, aspiring do-it-yourself homeowners calculate the remaining sides of a compound-shaped room. They apply the principles of ratio and proportion to determine how much crown molding will be...

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