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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...
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Lesson Plan
Curated OER

Ratios and Proportions Word Problem Worksheet

For Teachers 5th - 6th
In this ratios and proportions worksheet, young scholars solve 7 word problems. They are given the ratio in each problem so that they can apply it when solving the problem.
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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...
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Lesson Plan
Curated OER

The American Flag-Basic Ratios and Proportions

For Teachers 9th - 10th
Students solve problems with ratios and proportions. For this algebra lesson,students apply the concept of ratios and proportions to the real world.
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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.
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Lesson Plan
Centre for Innovation in Mathematics Teaching

Ratio and Proportion

For Teachers 6th - 8th
Middle schoolers review the definition and rules for equivalent fractions. Additionally, they are introduced to equivalent ratios. They write examples of ratios from the board, and they come to the board to write the correct equivalent...
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Lesson Plan
Illustrative Mathematics

Ratio of Boys to Girls

For Teachers 5th - 7th Standards
How many boys are in the class? Here is an introductory exercise describing ratios. The commentary shows different ways learners can approach the problem, using a tape diagram of boys to girls and using a table. The activity includes...
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Lesson Plan
Illustrative Mathematics

Art Class, Assessment Variation

For Teachers 7th - 9th Standards
Play with paint and decide the ratio to make different shades of green. When mixing paint colors, your painters should decide which ratios make the same shade and what is needed to mix other ratios for a different shade of green. This is...
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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

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...
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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...
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Lesson Plan
Curated OER

Scale/Ratio

For Teachers 6th - 8th
Investigate the use of ratios in scale drawings. Learners scale objects up or down using ratios then find the actual size of something using ratios. They apply their knowledge of ratios as they make their own telescopes in science class....
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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...
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Lesson Plan
Curated OER

Learning Ratios and Proportions Through Scale Drawings

For Teachers 7th - 9th
Middle and high schoolers explore the concept of scale drawings. They discuss what a scale is and that scales provide a ratio. Pupils construct a scale drawing of their classroom using graph paper.
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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...
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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 instructional activity, students vary the concentration of a fruit drink using parts of a ratio.
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Lesson Plan
Curated OER

Ratio and Proportion

For Teachers 7th - 8th
Students investigate ratio and proportion.  In this middle school mathematics instructional activity, students write ratios and find equal ratios.  Students use ratio and proportion to distinguish between healthy and unhealthy body...
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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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Lesson Plan
Curated OER

Ratios And Scale

For Teachers 9th - 12th
students investigate the concept of using a ratio in the work of construction and solve problems using real life applications. They read descriptions of how various types of construction professionals use ratios on the job. The lesson...
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Lesson Plan
Curated OER

How Big Is That Star?

For Teachers 6th - 9th
Aspiring astronomers study stars. They compare stars and explain the relationship between radius, mass, and diameter. By creating a star simulation, they discover how a binary star system's orbit can cause changes in the observed...
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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...
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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...
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Lesson Plan
Curated OER

Art Class, Variation 1

For Teachers 6th - 8th Standards
Student statisticians calculate ratios to determine how many shades of green were mixed by Ms. Baca's art class. They graph the number of blue parts against the number of yellow parts for each combination and discover that some produce...

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