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Lesson Plan
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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...
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Lesson Plan
Curated OER

Using Algebra to Explore Problem Space

For Teachers 7th - 9th
Students apply their knowledge of math by rewriting word problems using equations. In this word problem lesson, students build upon previous knowledge as they set up the correct steps to solve word problems. This lesson is full of hints...
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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 great...
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Lesson Plan
Curated OER

The American Flag-Basic Ratios and Proportions

For Teachers 9th - 10th
Young scholars solve problems with ratios and proportions. In this algebra lesson,students apply the concept of ratios and proportions to the real world.
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Worksheet
1
1
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...
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Lesson Plan
Curated OER

Algebra 1: Slope as Rate

For Teachers 7th - 9th
Students solve problems with slopes. In this algebra lesson, students identify the slope of a line and relate it to the rate of change.  They graph their lines on the TI and observe changes in the lines.
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Lesson Plan
Curated OER

Solve for Scale Factors Using Proportions

For Teachers 8th
Eighth graders solve problems using proportions with scaled drawings. They work with maps and blue-prints discussing scales and plans and examine different polygons and figure out the scale factors or proportions they have been changed by.
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Lesson Plan
Curated OER

Scale factors: Ratios and Proportions

For Teachers 8th - 11th
Students create building and models using scale factors. In this geometry lesson, students apply the properties of ratio and proportion to solve problems. They identify the means and extremes property of cross multiplication.
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Assessment
Mathematics Assessment Project

A Golden Crown?

For Students 7th - 8th Standards
In this assessment task, learners determine whether a crown with given information is composed of pure gold. The task expects algebraic and numerical solution methods, so unlike Archimedes, no bathtub is necessary.
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Workbook
Curated OER

Word Problem Practice Workbook

For Students 6th - 8th Standards
Need worksheets that challenge your middle schoolers to apply their understanding of math? Problem solved! From integers, fractions, and percents, to algebra, geometry, and probability, over 100 pages of word problem worksheets are...
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Lesson Plan
Curated OER

Proportions a/b=c/d

For Teachers 8th - 10th
Students calculate distance and proportion of objects. In this algebra lesson, students define proportion and how it is used in math. They solve the problem through guided instruction.
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Assessment
Los Angeles County Office of Education

Assessment for the California Mathematics Standards Grade 7

For Students 6th - 8th Standards
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 in the...
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Lesson Plan
Curated OER

Solve algebraic proportions.

For Teachers 8th - 10th
Students solve algebraic proportions. In this algebra lesson, students convert between fractions, percents and decimals. They solve problems using the distributive property.
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Lesson Plan
Curated OER

The Golden Ratio

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

Mixing Up Ratios

For Teachers 9th - 10th
Learners 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.
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Assessment
1
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Inside Mathematics

Coffee

For Teachers 9th - 12th Standards
There are many ways to correlate coffee to life, but in this case a worksheet looks at the price of two different sizes of coffee. It requires interpreting a graph with two unknown variables, in this case the price, and solving for those...
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Assessment
Los Angeles County Office of Education

Assessment For The California Mathematics Standards Grade 6

For Students 6th Standards
Test your scholars' knowledge of a multitude of concepts with an assessment aligned to the California math standards. Using the exam, class members show what they know about the four operations, positive and negative numbers, statistics...
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Lesson Plan
Curated OER

Ratios and Proportions

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

Solutions

For Teachers 9th - 12th Standards
Scientists require specific chemical solutions for their experiments. In the seventh and final installment in a series that integrates chemistry and algebra II, scholars learn to set up a system of equations to solve the volume of a...
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Lesson Plan
Curated OER

Origami Cube

For Teachers 9th - 10th
Students compare two lengths using the area of a square. In this geometry lesson, students solve problems using ratio and proportion of the two shapes. They solve equations by taking the square root of both sides.
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Lesson Plan
Curated OER

A Blast From The Past

For Teachers 6th - 8th
Learners investigate ratio and proportion as they solve problems. In this algebra activity, students calculate the percent increase on salaries and convert between decimals and percents to calculate. They rate job positions from 1936 to...
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Lesson Plan
Curated OER

Using Ratios to Taste the Rainbow

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

Use Proprotions To Solve Word Problems

For Teachers 8th
Eighth graders explore ratios and proportions and how they are used in day to day life. As an activity, they find their own heart rate and then take a survey of other heart rates in the room. After organizing the data, 8th graders use...
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Lesson Plan
Curated OER

Proportions in Stories

For Teachers 8th - 10th
Students solve problems dealing with ratios and proportions. In this algebra lesson, students rewrite word problems using equations and symbols. They correctly convert between percents and decimals.