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Fun Examples of Proportional and Non-Proportional Relationships for 7th Graders

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Jello (MIA)

10/31/2023

Algebra 1

Non-proportional vs Proportional Functions

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Algebra 1

Fun Examples of Proportional and Non-Proportional Relationships for 7th Graders

Understanding the difference between proportional and non-proportional relationships is essential for mastering middle school mathematics, particularly in 7th grade.

A proportional relationship occurs when two quantities change in a way that maintains a constant ratio, always passing through the origin (0,0) on a graph. For example, if you're buying apples at $2 each, the cost will always be twice the number of apples - this creates a straight line through the origin. Non proportional relationships, while still possibly linear, don't maintain this constant ratio. The key distinction is that non-proportional relationships may have a y-intercept other than zero, meaning they don't pass through the origin.

When examining proportional vs non proportional Examples, students can use various tools like graphs, tables, and equations. In a proportional relationship, if you create a table and divide corresponding y-values by x-values, you'll get the same number (constant of proportionality). However, in a non proportional table, this division yields different results. For instance, in the equation y = 2x + 3, while it's linear, it's non-proportional because of the +3 term. Non proportional graph Examples show lines that don't pass through (0,0), while proportional graphs always do. Teachers often use a Proportional relationship anchor chart 7th Grade to help students visualize these concepts. Students working with proportional and non-proportional relationships 7th grade materials learn to identify these relationships through various representations, including equations, graphs, and real-world scenarios. The ability to recognize and represent proportional relationships between quantities is a fundamental skill that builds the foundation for more advanced mathematical concepts like linear equations, slope, and rate of change.

These concepts are typically practiced using resources like Proportional vs non proportional worksheet pdf materials and How to determine proportional vs non proportional functions worksheet exercises. Students learn to identify Non proportional relationship characteristics such as non-zero y-intercepts and varying ratios between corresponding values. Through careful analysis of graphs, tables, and equations, students develop a deep understanding of how these relationships work in both mathematical and real-world contexts.

...

10/31/2023

116

Title pg. 38 - 39: Types of functions: Proportional vs. non-proportional Update TOC Make sure to leave room on page 39 for the concept map.

View

Understanding Proportional vs Non-Proportional Functions in Mathematics

A thorough understanding of proportional and non-proportional relationships is essential for students learning algebra and advanced mathematics. These fundamental concepts help build a strong foundation for analyzing real-world relationships and solving complex problems.

Definition: A proportional relationship occurs when two quantities vary in such a way that one quantity is always a constant multiple of the other. The relationship can be expressed as y = mx, where m is the constant of proportionality.

When examining proportional linear relationships, key characteristics include:

  • The graph always passes through the origin (0,0)
  • The ratio between y-values and x-values remains constant
  • The equation takes the form y = mx (no y-intercept term)
  • The slope represents the unit rate or constant of proportionality

Example: In a proportional relationship, if a car travels 60 miles in 2 hours, the relationship between distance and time is proportional because the speed (30 miles per hour) remains constant.

Title pg. 38 - 39: Types of functions: Proportional vs. non-proportional Update TOC Make sure to leave room on page 39 for the concept map.

View

Identifying Non-Proportional Relationships

Non proportional relationships differ from proportional ones in several key ways. Understanding these differences helps students recognize and analyze various types of mathematical relationships they encounter.

Highlight: A non proportional relationship can still be linear but will have a y-intercept that is not zero. The equation takes the form y = mx + b, where b ≠ 0.

Key characteristics of non proportional graph examples include:

  • The graph does not pass through the origin
  • The y-intercept is non-zero
  • The ratio between corresponding values is not constant
  • The relationship includes a vertical shift
Title pg. 38 - 39: Types of functions: Proportional vs. non-proportional Update TOC Make sure to leave room on page 39 for the concept map.

View

Analyzing Proportional vs Non-Proportional Functions

When working with proportional vs non proportional examples, students should focus on multiple representations including graphs, tables, and equations. This comprehensive approach helps develop a deeper understanding of these relationships.

Vocabulary: The constant of proportionality (k) represents the slope in a proportional relationship and can be found by dividing any y-value by its corresponding x-value.

For proportional and non-proportional relationships 7th grade instruction, students should:

  • Compare graphs to identify if they pass through the origin
  • Analyze tables to check for constant ratios
  • Examine equations to determine if there's a y-intercept term
Title pg. 38 - 39: Types of functions: Proportional vs. non-proportional Update TOC Make sure to leave room on page 39 for the concept map.

View

Creating Concept Maps for Mathematical Relationships

A concept map for proportional relationships in math helps students organize and visualize the connections between different aspects of proportional and non-proportional relationships.

Example: When creating a concept map, include:

  • Equation forms (y = mx vs. y = mx + b)
  • Graphical characteristics
  • Real-world applications
  • Methods for identifying relationship types

Key elements to include when teaching these concepts:

  • Multiple representations (graphs, tables, equations)
  • Real-world contexts and applications
  • Clear distinctions between proportional and non-proportional cases
  • Practice problems with varying complexity levels
Title pg. 38 - 39: Types of functions: Proportional vs. non-proportional Update TOC Make sure to leave room on page 39 for the concept map.

View

Understanding Non-Proportional and Proportional Relationships in Mathematics

In mathematics, understanding the difference between proportional and non-proportional relationships is crucial for students learning algebraic concepts. When examining these relationships, we focus on several key characteristics that help distinguish between them.

Definition: A proportional relationship occurs when the ratio between corresponding values remains constant and the graph passes through the origin (0,0).

Non-proportional relationships have distinct characteristics that set them apart:

  • They have a y-intercept that isn't zero
  • Their equation follows the form y = mx + b (where b ≠ 0)
  • The graph doesn't pass through the origin
  • Ratios between x and y values vary across ordered pairs

When working with tables of values, students can analyze whether a relationship is proportional by:

  1. Calculating the slope
  2. Identifying the y-intercept
  3. Comparing ratios between x and y values
  4. Writing the equation

Example: Consider a table where x = [1,2,3,4] and y = [10,20,30,40] This represents a proportional relationship because:

  • The ratio y/x = 10 consistently
  • The graph passes through the origin
  • The equation is y = 10x

For proportional vs non-proportional Examples, students should examine multiple representations including graphs, tables, and equations. In a proportional relationship, the ratio y/x remains constant for all points, creating a direct relationship between the variables.

Highlight: When solving proportional and non-proportional relationships 7th grade problems, always check:

  • Is the y-intercept zero?
  • Are the ratios between corresponding values constant?
  • Does the graph pass through the origin?
Title pg. 38 - 39: Types of functions: Proportional vs. non-proportional Update TOC Make sure to leave room on page 39 for the concept map.

View

Analyzing Tables for Proportional Relationships

When examining tables to determine proportional relationships, students need a systematic approach. This process helps develop a deeper understanding of how to determine proportional vs non proportional functions.

Vocabulary: Key terms for analyzing tables:

  • Slope: The rate of change between y and x values
  • Y-intercept: Where the line crosses the y-axis
  • Ratio: The relationship between two quantities

For each table, follow these steps:

  1. Calculate the slope between consecutive points
  2. Identify where the line intersects the y-axis
  3. Compare ratios between x and y values
  4. Write the equation representing the relationship

Example: For a non proportional table: x | y 1 | 3 2 | 5 3 | 7 4 | 9

This represents a non-proportional relationship because:

  • The y-intercept is 1
  • The equation is y = 2x + 1
  • The ratios between x and y values aren't constant
Title pg. 38 - 39: Types of functions: Proportional vs. non-proportional Update TOC Make sure to leave room on page 39 for the concept map.

View

Graphical Analysis of Proportional Relationships

Understanding how to interpret graphs is essential for identifying proportional relationships. A non proportional graph Example helps students visualize key differences between these mathematical relationships.

Definition: A proportional relationship's graph:

  • Passes through the origin (0,0)
  • Forms a straight line
  • Has a constant slope

When analyzing graphs for proportional vs non proportional Examples, consider:

  1. The starting point (y-intercept)
  2. The consistency of the slope
  3. The relationship between x and y coordinates

Students working with proportional and non-proportional relationships 7th grade materials should practice identifying these characteristics in various graphical representations.

Highlight: Key indicators of non-proportional graphs:

  • Y-intercept ≠ 0
  • Variable rates of change
  • Inconsistent ratios between coordinates
Title pg. 38 - 39: Types of functions: Proportional vs. non-proportional Update TOC Make sure to leave room on page 39 for the concept map.

View

Practical Applications and Problem Solving

Understanding proportional and non-proportional relationships has practical applications in real-world scenarios. Students should be able to recognize these relationships in everyday situations.

Example: Real-world applications:

  • Cost per item (proportional)
  • Monthly phone bill with base fee (non-proportional)
  • Distance traveled at constant speed (proportional)
  • Height vs. age (non-proportional)

When working with proportional vs non proportional worksheet pdf materials, students should:

  1. Identify the relationship type
  2. Justify their reasoning using multiple methods
  3. Connect the mathematical concept to real situations

Highlight: Problem-solving strategies:

  • Look for constant ratios
  • Check for y-intercepts
  • Consider real-world context
  • Verify using multiple representations

This understanding helps students master 7.rp.2 worksheet pdf content and develop stronger mathematical reasoning skills.

Title pg. 38 - 39: Types of functions: Proportional vs. non-proportional Update TOC Make sure to leave room on page 39 for the concept map.

View

Understanding Proportional vs Non-Proportional Relationships Through Data Analysis

When examining the relationship between x and y values in mathematical functions, understanding whether they form a proportional relationship or a non proportional relationship is crucial. Let's analyze a specific data set to demonstrate this concept.

Looking at the given values: x: 1, 2, 3, 4 y: 6, 16, 26, 36

To determine if this represents a proportional relationship, we need to examine if y/x remains constant for all coordinate pairs. Let's calculate:

For x=1: 6/1 = 6 For x=2: 16/2 = 8 For x=3: 26/3 ≈ 8.67 For x=4: 36/4 = 9

Definition: A proportional relationship exists when the ratio between corresponding values (y/x) remains constant throughout the data set.

Since these ratios are not equal, this represents a non proportional relationship. This is a perfect example commonly used in proportional and non-proportional relationships 7th grade curriculum to help students distinguish between the two types of relationships.

The relationship can be further understood by examining its graph. When plotted, these points form a straight line that doesn't pass through the origin (0,0), which is another characteristic of a non proportional graph example. The equation representing this relationship would be y = 10x - 4, where the presence of the constant term (-4) confirms its non-proportional nature.

Highlight: Key characteristics of non-proportional relationships:

  • The ratio y/x is not constant
  • When graphed, the line doesn't pass through the origin
  • The equation includes a y-intercept term

This type of analysis is fundamental for students working with proportional vs non proportional worksheet pdf materials and helps build a strong foundation for more advanced mathematical concepts.

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Algebra 1

Fun Examples of Proportional and Non-Proportional Relationships for 7th Graders

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Jello (MIA)

@bellocouldnever

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Understanding the difference between proportional and non-proportional relationships is essential for mastering middle school mathematics, particularly in 7th grade.

A proportional relationship occurs when two quantities change in a way that maintains a constant ratio, always passing through the origin (0,0) on a graph. For example, if you're buying apples at $2 each, the cost will always be twice the number of apples - this creates a straight line through the origin. Non proportional relationships, while still possibly linear, don't maintain this constant ratio. The key distinction is that non-proportional relationships may have a y-intercept other than zero, meaning they don't pass through the origin.

When examining proportional vs non proportional Examples, students can use various tools like graphs, tables, and equations. In a proportional relationship, if you create a table and divide corresponding y-values by x-values, you'll get the same number (constant of proportionality). However, in a non proportional table, this division yields different results. For instance, in the equation y = 2x + 3, while it's linear, it's non-proportional because of the +3 term. Non proportional graph Examples show lines that don't pass through (0,0), while proportional graphs always do. Teachers often use a Proportional relationship anchor chart 7th Grade to help students visualize these concepts. Students working with proportional and non-proportional relationships 7th grade materials learn to identify these relationships through various representations, including equations, graphs, and real-world scenarios. The ability to recognize and represent proportional relationships between quantities is a fundamental skill that builds the foundation for more advanced mathematical concepts like linear equations, slope, and rate of change.

These concepts are typically practiced using resources like Proportional vs non proportional worksheet pdf materials and How to determine proportional vs non proportional functions worksheet exercises. Students learn to identify Non proportional relationship characteristics such as non-zero y-intercepts and varying ratios between corresponding values. Through careful analysis of graphs, tables, and equations, students develop a deep understanding of how these relationships work in both mathematical and real-world contexts.

...

10/31/2023

116

 

7th/8th

 

Algebra 1

7

Title pg. 38 - 39: Types of functions: Proportional vs. non-proportional Update TOC Make sure to leave room on page 39 for the concept map.

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Understanding Proportional vs Non-Proportional Functions in Mathematics

A thorough understanding of proportional and non-proportional relationships is essential for students learning algebra and advanced mathematics. These fundamental concepts help build a strong foundation for analyzing real-world relationships and solving complex problems.

Definition: A proportional relationship occurs when two quantities vary in such a way that one quantity is always a constant multiple of the other. The relationship can be expressed as y = mx, where m is the constant of proportionality.

When examining proportional linear relationships, key characteristics include:

  • The graph always passes through the origin (0,0)
  • The ratio between y-values and x-values remains constant
  • The equation takes the form y = mx (no y-intercept term)
  • The slope represents the unit rate or constant of proportionality

Example: In a proportional relationship, if a car travels 60 miles in 2 hours, the relationship between distance and time is proportional because the speed (30 miles per hour) remains constant.

Title pg. 38 - 39: Types of functions: Proportional vs. non-proportional Update TOC Make sure to leave room on page 39 for the concept map.

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Identifying Non-Proportional Relationships

Non proportional relationships differ from proportional ones in several key ways. Understanding these differences helps students recognize and analyze various types of mathematical relationships they encounter.

Highlight: A non proportional relationship can still be linear but will have a y-intercept that is not zero. The equation takes the form y = mx + b, where b ≠ 0.

Key characteristics of non proportional graph examples include:

  • The graph does not pass through the origin
  • The y-intercept is non-zero
  • The ratio between corresponding values is not constant
  • The relationship includes a vertical shift
Title pg. 38 - 39: Types of functions: Proportional vs. non-proportional Update TOC Make sure to leave room on page 39 for the concept map.

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Analyzing Proportional vs Non-Proportional Functions

When working with proportional vs non proportional examples, students should focus on multiple representations including graphs, tables, and equations. This comprehensive approach helps develop a deeper understanding of these relationships.

Vocabulary: The constant of proportionality (k) represents the slope in a proportional relationship and can be found by dividing any y-value by its corresponding x-value.

For proportional and non-proportional relationships 7th grade instruction, students should:

  • Compare graphs to identify if they pass through the origin
  • Analyze tables to check for constant ratios
  • Examine equations to determine if there's a y-intercept term
Title pg. 38 - 39: Types of functions: Proportional vs. non-proportional Update TOC Make sure to leave room on page 39 for the concept map.

Sign up to see the content. It's free!

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Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Creating Concept Maps for Mathematical Relationships

A concept map for proportional relationships in math helps students organize and visualize the connections between different aspects of proportional and non-proportional relationships.

Example: When creating a concept map, include:

  • Equation forms (y = mx vs. y = mx + b)
  • Graphical characteristics
  • Real-world applications
  • Methods for identifying relationship types

Key elements to include when teaching these concepts:

  • Multiple representations (graphs, tables, equations)
  • Real-world contexts and applications
  • Clear distinctions between proportional and non-proportional cases
  • Practice problems with varying complexity levels
Title pg. 38 - 39: Types of functions: Proportional vs. non-proportional Update TOC Make sure to leave room on page 39 for the concept map.

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Join milions of students

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Understanding Non-Proportional and Proportional Relationships in Mathematics

In mathematics, understanding the difference between proportional and non-proportional relationships is crucial for students learning algebraic concepts. When examining these relationships, we focus on several key characteristics that help distinguish between them.

Definition: A proportional relationship occurs when the ratio between corresponding values remains constant and the graph passes through the origin (0,0).

Non-proportional relationships have distinct characteristics that set them apart:

  • They have a y-intercept that isn't zero
  • Their equation follows the form y = mx + b (where b ≠ 0)
  • The graph doesn't pass through the origin
  • Ratios between x and y values vary across ordered pairs

When working with tables of values, students can analyze whether a relationship is proportional by:

  1. Calculating the slope
  2. Identifying the y-intercept
  3. Comparing ratios between x and y values
  4. Writing the equation

Example: Consider a table where x = [1,2,3,4] and y = [10,20,30,40] This represents a proportional relationship because:

  • The ratio y/x = 10 consistently
  • The graph passes through the origin
  • The equation is y = 10x

For proportional vs non-proportional Examples, students should examine multiple representations including graphs, tables, and equations. In a proportional relationship, the ratio y/x remains constant for all points, creating a direct relationship between the variables.

Highlight: When solving proportional and non-proportional relationships 7th grade problems, always check:

  • Is the y-intercept zero?
  • Are the ratios between corresponding values constant?
  • Does the graph pass through the origin?
Title pg. 38 - 39: Types of functions: Proportional vs. non-proportional Update TOC Make sure to leave room on page 39 for the concept map.

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Analyzing Tables for Proportional Relationships

When examining tables to determine proportional relationships, students need a systematic approach. This process helps develop a deeper understanding of how to determine proportional vs non proportional functions.

Vocabulary: Key terms for analyzing tables:

  • Slope: The rate of change between y and x values
  • Y-intercept: Where the line crosses the y-axis
  • Ratio: The relationship between two quantities

For each table, follow these steps:

  1. Calculate the slope between consecutive points
  2. Identify where the line intersects the y-axis
  3. Compare ratios between x and y values
  4. Write the equation representing the relationship

Example: For a non proportional table: x | y 1 | 3 2 | 5 3 | 7 4 | 9

This represents a non-proportional relationship because:

  • The y-intercept is 1
  • The equation is y = 2x + 1
  • The ratios between x and y values aren't constant
Title pg. 38 - 39: Types of functions: Proportional vs. non-proportional Update TOC Make sure to leave room on page 39 for the concept map.

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Join milions of students

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Graphical Analysis of Proportional Relationships

Understanding how to interpret graphs is essential for identifying proportional relationships. A non proportional graph Example helps students visualize key differences between these mathematical relationships.

Definition: A proportional relationship's graph:

  • Passes through the origin (0,0)
  • Forms a straight line
  • Has a constant slope

When analyzing graphs for proportional vs non proportional Examples, consider:

  1. The starting point (y-intercept)
  2. The consistency of the slope
  3. The relationship between x and y coordinates

Students working with proportional and non-proportional relationships 7th grade materials should practice identifying these characteristics in various graphical representations.

Highlight: Key indicators of non-proportional graphs:

  • Y-intercept ≠ 0
  • Variable rates of change
  • Inconsistent ratios between coordinates
Title pg. 38 - 39: Types of functions: Proportional vs. non-proportional Update TOC Make sure to leave room on page 39 for the concept map.

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Practical Applications and Problem Solving

Understanding proportional and non-proportional relationships has practical applications in real-world scenarios. Students should be able to recognize these relationships in everyday situations.

Example: Real-world applications:

  • Cost per item (proportional)
  • Monthly phone bill with base fee (non-proportional)
  • Distance traveled at constant speed (proportional)
  • Height vs. age (non-proportional)

When working with proportional vs non proportional worksheet pdf materials, students should:

  1. Identify the relationship type
  2. Justify their reasoning using multiple methods
  3. Connect the mathematical concept to real situations

Highlight: Problem-solving strategies:

  • Look for constant ratios
  • Check for y-intercepts
  • Consider real-world context
  • Verify using multiple representations

This understanding helps students master 7.rp.2 worksheet pdf content and develop stronger mathematical reasoning skills.

Title pg. 38 - 39: Types of functions: Proportional vs. non-proportional Update TOC Make sure to leave room on page 39 for the concept map.

Sign up to see the content. It's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Understanding Proportional vs Non-Proportional Relationships Through Data Analysis

When examining the relationship between x and y values in mathematical functions, understanding whether they form a proportional relationship or a non proportional relationship is crucial. Let's analyze a specific data set to demonstrate this concept.

Looking at the given values: x: 1, 2, 3, 4 y: 6, 16, 26, 36

To determine if this represents a proportional relationship, we need to examine if y/x remains constant for all coordinate pairs. Let's calculate:

For x=1: 6/1 = 6 For x=2: 16/2 = 8 For x=3: 26/3 ≈ 8.67 For x=4: 36/4 = 9

Definition: A proportional relationship exists when the ratio between corresponding values (y/x) remains constant throughout the data set.

Since these ratios are not equal, this represents a non proportional relationship. This is a perfect example commonly used in proportional and non-proportional relationships 7th grade curriculum to help students distinguish between the two types of relationships.

The relationship can be further understood by examining its graph. When plotted, these points form a straight line that doesn't pass through the origin (0,0), which is another characteristic of a non proportional graph example. The equation representing this relationship would be y = 10x - 4, where the presence of the constant term (-4) confirms its non-proportional nature.

Highlight: Key characteristics of non-proportional relationships:

  • The ratio y/x is not constant
  • When graphed, the line doesn't pass through the origin
  • The equation includes a y-intercept term

This type of analysis is fundamental for students working with proportional vs non proportional worksheet pdf materials and helps build a strong foundation for more advanced mathematical concepts.

Title pg. 38 - 39: Types of functions: Proportional vs. non-proportional Update TOC Make sure to leave room on page 39 for the concept map.

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Applying Proportional and Non-Proportional Concepts in Real-World Scenarios

Understanding proportional vs non proportional examples helps students recognize these relationships in everyday situations. The data set we examined could represent real-world scenarios like the cost of taxi rides (where there's a fixed starting fee plus a per-mile rate) or cell phone bills (with a base monthly fee plus usage charges).

When working with proportional vs non proportional equations, students should recognize that proportional relationships always pass through the origin and can be written in the form y = kx, where k is the constant of proportionality. Non-proportional linear relationships, like our example, include an additional constant term and take the form y = mx + b, where b ≠ 0.

Example: A taxi service charges a $4 base fee plus $10 per mile:

  • This creates a non-proportional relationship
  • The equation would be y = 10x + 4
  • The base fee ($4) makes it non-proportional

This concept is particularly important in 7.rp.2 worksheet pdf materials, where students learn to recognize and represent proportional relationships between quantities. Creating a concept map for proportional relationships in math worksheet can help visualize these connections and differences.

Vocabulary: Key terms for understanding proportional relationships:

  • Constant of proportionality
  • Linear relationship
  • Direct variation
  • Rate of change
  • Y-intercept

These concepts form the foundation for more advanced mathematical topics and are essential for success in algebra and beyond.

Can't find what you're looking for? Explore other subjects.

Knowunity is the # 1 ranked education app in five European countries

Knowunity was a featured story by Apple and has consistently topped the app store charts within the education category in Germany, Italy, Poland, Switzerland and United Kingdom. Join Knowunity today and help millions of students around the world.

Ranked #1 Education App

Download in

Google Play

Download in

App Store

Knowunity is the # 1 ranked education app in five European countries

4.9+

Average App Rating

17 M

Students use Knowunity

#1

In Education App Charts in 17 Countries

950 K+

Students uploaded study notes

Still not sure? Look at what your fellow peers are saying...

iOS User

I love this app so much [...] I recommend Knowunity to everyone!!! I went from a C to an A with it :D

Stefan S, iOS User

The application is very simple and well designed. So far I have found what I was looking for :D

SuSSan, iOS User

Love this App ❤️, I use it basically all the time whenever I'm studying