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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...
PPT
Primary Resources

#### Ratio and Proportion

For Teachers 5th - 7th Standards
Here you will find an excellent presentation for introducing or reviewing ratio and proportion. Pupils are introduced to some terms associated with ratios and proportions. Next, they are given examples to work with in order to gain solid...
Lesson Plan
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Texas Instruments

#### Is It or Isn't It Proportional

For Teachers 6th - 12th Standards
How can you tell if number relationships are proportional? Mathematicians investigate proportional relationships. They compare and contrast functions and graphs to determine the characteristics of proportional relationships, as well as...
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
Illustrative Mathematics

#### Proportional Relationships, Lines, and Linear Equations

For Teachers 7th - 9th Standards
The resource is a good introduction to what makes a proportional relationship between two lines. Discuss the similarities of both lines and the possibility of intersection. Use this opportunity to list other acceptable forms of each...
Worksheet
Kuta Software

#### Proportion Word Problems

For Students 6th - 9th
In this proportion word problem worksheet, learners read real-life problems and solve proportions. This four-page worksheet contains 18 problems. Answers are provided on the last page.
Lesson Plan
Curated OER

#### Study Buddies - Proportions

For Teachers 6th - 7th
Middle-schoolers solve various problems related to proportions. They write ratios in word form and then, replace the words with numbers. Pupils also write an equation in which they will cross-multiply to solve the proportion. This is an...
Interactive
Neufeld Learning Systems

#### Concept: Ratios and Proportions

For Teachers 4th - 8th Standards
Upper elementary and middle school pupils fill out a chart creating six equivalent fractions and then compare them to six different objects and/or shapes. They group together 16 various terms related to ratios and proportions. Pupils...
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...
Instructional Video5:42
Corbett Maths

#### Inverse Proportion

For Students 6th - 12th
Take an indirect view of proportionality. Using a similar approach of direct variation, the resource shows how to solve inverse proportions. The video steps through finding the constant of proportionality to write the formula for the...
Lesson Plan
Curated OER

#### Proportionality Using Labyrinths and Mazes

For Teachers 6th - 9th
Conduct research on the Internet about labyrinths and mazes to learn about proportions and ratios. Inquisitive minds design their own maze, one maze is chosen and proportionately enlarged to 20 feet by 30 feet. This is a fun challenge...
Worksheet
Curated OER

#### Baseball Proportion: Student Worksheet

For Students 4th - 6th
Here is a simple and clever activity which illustrates the concept of mathematical proportion and size quite effectively. In it, two pupils hold baseball bats: one is a regulation-size bat, the other is a miniature souvenir bat. The...
Lesson Plan
Curated OER

#### Baseball Proportion: Student Worksheet

For Teachers 3rd - 4th
In this mathematics worksheet, students model a batting stance with a regulation size baseball bat. Then they model the batting stance with a souvenir miniature baseball bat. Students measure the length of each bat in centimeters and use...
Worksheet
Curated OER

#### Effects of Changing Dimensions Proportionally

For Students 9th - 10th
In this geometry learning exercise, students describe the effect of a proportional change on the perimeter or circumference and area of the given circles or quadrilaterals.  The one page learning exercise contains ten problems.  Answers...
Worksheet
Curated OER

#### Sentence Based Ratios and Proportions Worksheet

For Students 5th - 6th
In this ratios and proportions worksheet, students read each sentence and write the indicated ratio on the blank line. They complete 7 examples.
Lesson Plan
Sargent Art

#### Facial Proportion Challenge: Freaky Faces

For Students 9th - 12th
Young artists have fun making freaky faces when they accept the challenge of making proportional portraits. They must find pictures in magazines, cut out two eyes, a nose, and a mouth, and then rescale these images into a portrait.
Lesson Plan
Curated OER

#### da Vinci: Body Proportion Theories

For Teachers 6th - 8th
Middle schoolers investigate the validity of da Vinci's proportion theory by recording human measurements on scatter plots. In groups of three, they record each other's height and wingspan to create a Powerpoint presentation, chart, or...
Lesson Plan
EngageNY

#### Estimating a Population Proportion

For Teachers 7th Standards
Find the percent of middle schoolers who want the ability to freeze time. The 21st installment in a series of 25 has groups collect a random sample of respondents who answer a question about superpowers. Using sample statistics,...
Lesson Plan
Mathematics Assessment Project

#### Comparing Strategies for Proportion Problems

For Teachers 7th Standards
Having problems with proportions? Then solve these proportion problems with an exercise that asks learners to first individually solve a set of problems involving ratios and proportional reasoning. Groups then discuss provided sample...
Lesson Plan
EduGAINs

#### Ratio and Proportion

For Teachers 7th - 10th Standards
Do these items have the same ratio? Through a learning contract, pupils master proportions by practicing proportions via word problems, graphs, and with manipulatives. An exit ticket checks for understanding at the end of the...
Lesson Plan
Curated OER

#### Proportionally Speaking!

For Teachers 6th - 8th
Pupils are introduced to the concept of proportions. In groups, they practice solving equations and identify the fraction and ratio as well. They complete a worksheet following the steps outlined to them to review the concept.
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...
Lesson Plan
Willow Tree

#### Ratios and Proportions with Congruent and Similar Polygons

For Students 8th - 11th Standards
Investigate how similar and congruent figures compare. Learners understand congruent figures have congruent sides and angles, but similar figures only have congruent angles — their sides are proportional. After learning the...
Activity
Curated OER

#### Sore Throats, Variation 1

For Teachers 6th - 8th Standards
Why does Nia's water taste saltier than Trey's if she put more into her cup than he did? Math masters set up proportions in order to compare the mixtures. This task effectively has learners apply the concepts of ratio and proportion to a...