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 American Flag-Basic Ratios and Proportions

For Teachers 9th - 10th
Students solve problems with ratios and proportions. In this algebra lesson plan,students apply the concept of ratios and proportions to the real world.
Worksheet
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Curated OER

Ratios and Proportions

For Students 7th - 10th Standards
This study guide would be great to use when presenting a lesson on ratios and proportions. It includes clear definitions, explanations, and examples to work through as a class or individually. In addition, it has notes on rates and...
Interactive3:32
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Scholastic

Study Jams! Proportions

For Students 4th - 7th Standards
Join Zoe and Sam as they use proportions to budget money for their Green Earth Club. Watch as they set up and solve a series of proportions using cross multiplication and division. A great resource that brings together prior knowledge of...
Lesson Plan
1
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National Security Agency

Partying with Proportions and Percents

For Teachers 6th - 8th Standards
Examine ratios and proportions in several real-world scenarios. Children will calculate unit rates, work with proportions and percentages as they plan a party, purchase produce, and take a tally. This lesson plan recommends five...
Worksheet
Curated OER

Ratio and Proportion

For Students 9th - 12th
In this ratio and proportion worksheet, students solve 22 short answer and multiple choice problems.  Students use rates, proportions, and ratios to solve each problem.
Lesson Plan
Curated OER

Scale factors: Ratios and Proportions

For Teachers 8th - 11th
Students create building and models using scale factors. In this geometry instructional activity, students apply the properties of ratio and proportion to solve problems. They identify the means and extremes property of cross...
Interactive
Curated OER

Ratio and Proportion Crossword Puzzle

For Students 9th
In this Algebra I activity, 9th graders solve a crossword puzzle that is based on the vocabulary associated with ratio and proportion.  The one page interactive activity contains fourteen clues and is self checking. 
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
Curated OER

Mixing Up Ratios

For Teachers 9th - 10th
Students solve problems of ratio and proportions using hands on. In this algebra lesson, students vary the concentration of a fruit drink using parts of a ratio.
Lesson Plan
Curated OER

Understanding Proportions and Scale Drawings

For Teachers 7th - 8th
Proportions are ratios found using multiplication or division. Middle schoolers solve measurement problems, find a figure's missing dimension, and find the distance between two points. Resource features four lesson plans with detailed...
Lesson Plan
Curated OER

Using Ratios to Taste the Rainbow

For Teachers 9th - 11th
Learners solve problems using ratios and proportion. In this algebra lesson, students analyze skittles and their different colors as they apply the properties of ratios and proportions to solve their problems.
Worksheet
Curated OER

Ratio & Proportion for Algebra I

For Students 7th - 8th
In this ration & proportion for Algebra I worksheet, students answer twenty-three word problems involving ratio and proportion.
Lesson Plan
Curated OER

Our Solar System - Comparing Planetary Travel Distances

For Teachers 7th - 8th
NASA presents a mini-unit on distances in our solar system. It incorporates scientific concepts of gravity, mass, density, and payload while your aspiring astronauts also employ mathematics skills. They calculate speed, they determine...
Lesson Plan
Curated OER

Ratios and Proportions

For Teachers 9th - 11th
Students solve problems involving percents and ratios. In this algebra lesson plan, students convert decimals to percents and percents to decimals. They solve problems involving algebraic expressions and four different kinds of percent...
Lesson Plan
Curated OER

Robot Ratios

For Teachers 8th - 10th
Students measure the activity and parts of a robot. In this algebra lesson, students explore ratio and proportion using their classroom. They apply properties of fractions as they cross multiply to solve problems.
Interactive
Curated OER

Basic Proportions Worksheet

For Students 6th - 8th
For 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.
Lesson Plan
Curated OER

Stock Swaps, Variation 3

For Teachers 6th - 8th Standards
More on the fictitious takeover of the Apple Corporation by Microsoft. For 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...
Handout
Cabrillo College

Elementary Algebra

For Students 8th - 11th Standards
Hello Algebra! If you're in need of a resource with a books worth of examples and practice problems, this is it. Some topics include linear equations, polynomials and exponents, rational expressions, quadratic equations, and a...
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. 
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
Curated OER

Ratios, Rates, Percent and Nutrition

For Teachers 6th - 8th
Examine food labels to determine percentage of fat and sugar to total calories with middle schoolers. Daily nutritional guidelines are discussed and learners will decide how well their foods fit into a healthy diet. In the provided...
Lesson Plan
University of Nottingham

Drawing to Scale: A Garden

For Students 6th - 9th Standards
See how design and geometry go hand in hand. The activity asks learners to use geometry to design a backyard garden given dimensions of each feature. Scholars work with ratios and scale to develop an accurate scale drawing that includes...
Handout
University of California

Student Workbook: Algebra and Functions

For Students 6th - 10th Standards
A smorgasbord of functions, this packet has the basics required for your learners to be successful in the land of early algebra. The packet includes solving equations, graphing, evaluating, simplifying and basically everything else...