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Activity
Illustrative Mathematics

Sand Under the Swing Set

For Teachers 7th - 9th Standards
Help the local elementary school fix their playground by calculating the amount of sand needed near the swing set. The problem practices setting up proportions and ratios with three different options for solving. You can chose the option...
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Worksheet
Curated OER

Problem Solving

For Students 7th - 8th
In this problem solving worksheet, students read story problems, set up the equations and determine the answer to the problem. They use words to justify their reasoning. This two-page worksheet contains 5 problems involving proportions.
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Lesson Plan
Willow Tree

Direct and Inverse Variations

For Students 7th - 10th Standards
Enhance pupil understanding of proportions and variable relationships by studying direct and inverse variation. Use the idea of a proportional relationship to teach direct variation. Then use a similar pattern to help individuals...
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Workbook
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Utah Education Network (UEN)

Analyze Proportional Relationships and Use Them to Solve Real-World Problems

For Students 7th Standards
What proportion of learners will benefit from the lessons on proportional reasoning? Class members learn about proportional relationships, from unit rates to writing equations for proportional relationships. Then, they learn to use...
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Lesson Plan
Curated OER

Proportions and Scale Factor for Measurement

For Teachers 5th - 7th
Students explore the concept of proportion. In this proportion lesson, students use google maps to find the distance the their school is from home. Students discuss what a scale factor is through teacher led discussion. Students...
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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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Lesson Plan
Curated OER

Applications Using Rational Equations

For Teachers 7th - 10th
Algebra learners explore the concept of writing equations using rational expressions. This work sheet contains a number of word problems including reciprocal number problems, work problems, and problems can that be solved using...
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Worksheet
Curated OER

Ratio and Proportion: Basic Operations and Applications

For Students 7th - 9th
Learners explore example problems dealing with ratios and proportions. Afterward, they read story problems and solve them using ratios and proportions. This four-page worksheet contains six multi-step problems.
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Lesson Plan
Curated OER

Rational Equations and Proportions

For Teachers 7th - 8th
In this rational equations worksheet, students solve and complete 11 various types of problems. First, they find a number that is the reciprocal of one described in each statement. Then, students solve for the variable in each expression.
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Worksheet
Lane Community College

Review Sheets: Beginning Algebra

For Students 6th - 9th Standards
This jumbo worksheet contains everything you need to get through Pre-Algebra. Begin with simple expressions, and end with linear functions and polygons. There are multiple problems for each topic to make sure those skills are set. 
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Lesson Plan
Mathematics Assessment Project

Classifying Proportion and Non-Proportion Situations

For Teachers 7th Standards
Proportions, proportions, everywhere. Class members complete an assessment task solving problems involving proportionality. They then complete an activity classifying given situations as proportional or non-proportional.
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Worksheet
Kuta Software

Solving Proportions

For Students 6th - 9th Standards
Your learners will strengthen their understanding of the mechanics of solving proportions when they complete this worksheet of practice problems.
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Lesson Plan
Curated OER

Dragonfly

For Teachers 7th Standards
The speed of a dragonfly brings math into the real world as your learners collaboratively see the value in calculating unit rates in direct proportion problems. This six-phase lesson plan encourages you, as the teacher, to only ask...
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Worksheet
Curated OER

Puzzled Penguin Proportions

For Students 5th - 7th
In this proportions learning exercise, students use their problem solving skills to analyze the 6 proportions shown and determine whether they are correct.
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Activity
Noyce Foundation

First Rate

For Students K - 12th Standards
Explore distance and time factors to build an understanding of rates. A comprehensive set of problems target learners of all grade levels. The initial problem provides distance and time values and asks for the winner of a race. Another...
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Worksheet
Curated OER

Proportion Problems

For Students 5th - 8th
In this proportions worksheet, students complete proportion word problems including one and two digit numbers. Students complete 6 numbers.
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Lesson Plan
Kentucky Educational Television

The Road to Proportional Reasoning

For Teachers 6th - 8th Standards
Just how big would it really be? Young mathematicians determine if different toys are proportional and if their scale is accurate. They solve problems relating scale along with volume and surface area using manipulatives. The last day of...
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Lesson Plan
Illustrative Mathematics

Chess Club

For Teachers 6th - 8th Standards
When the membership in a chess club changes, it is your mathematicians' job to find out how many boys and girls are attending and the percent change from last year. The activity provides a great compound problem finding the different...
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Lesson Plan
Curated OER

Stock Swaps, Variation 3

For Teachers 6th - 8th Standards
More on the fictitious takeover of the Apple Corporation by Microsoft. In this scenario, Microsoft has $28.00 per share to spare, so how many do they need to offer to make an even trade? This is an engaging problem to solve when...
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Lesson Plan
Illustrative Mathematics

Gotham City Taxis

For Teachers 6th - 8th Standards
Taxi! Have your travelers figure out how far they can go in a taxi for $10.00. They must account for the mileage rate and tip in their calculation. They can set up a table or make an equation to solve for the exact mileage they can...
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Assessment
Mathematics Assessment Project

Ratios and Proportional Relationships

For Teachers 7th Standards
Time to see what they've learned. Seventh graders solve a set of seven short problems in the ratios and proportional relationships domain. Applications include photo negatives, washing machines, coffee powder, sleep, stamps, etc.
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Lesson Plan
Illustrative Mathematics

Security Camera

For Teachers 6th - 8th Standards
A different-than-normal problem that allows learners to practice their reasoning to find an answer. The problem bases itself off a graph drawing of a store that needs to install security cameras. The challenge is to find which placement...
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Activity
101 Questions

Square Partitions

For Teachers 6th - 8th Standards
Challenge your classes while developing their problem-solving skills. A square is divided neatly into four equal triangles by its diagonals until one diagonal is moved from a vertex to the midpoint of one side. Now, scholars must devise...
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Interactive
Curated OER

Basic Proportions Worksheet

For Students 6th - 8th
In this middle school mathematics worksheet, students use cross multiplication to solve proportions. The interactive worksheet has a "step-by-step" link for an in-depth solution. The one page worksheet has twenty problems.