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Function or Not a Function Guided Notes and Digital Card Sort Activity
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What others say

"This was really great to use in my math class the students really enjoyed it. Lots of great resources. "
star
Erin T.

Description

With this bundle, you receive both guided notes and a digital card sort! This is all you need to teach your students how to identify if a relation is a function or not.

Guided Notes Graphic Organizer:

Here is a clear and organized way to teach teach your students the definition of a function and how to identify whether a relation is a function or not a function!

In this notes page, you can guide your students through examples and non-examples of function in these multiple representations:

  • table
  • graph
  • mapping diagram
  • set of ordered pairs

This graphic organizer makes it easy to compare and contrast the differences of functions and nonfunctions, which helps students understand the concept better.

Another option is to use this resource as a quick assessment after the lesson.

Digital Card Sort Activity:

Want to make sure your students know what a function is after you've gone over the notes? This quick digital card sort is a low-prep way to find out! The activity uses Google Slides to practice or assess if students can identify a function.

The 16 digital cards show:

  • graphs
  • tables
  • mapping diagrams
  • sets of ordered pairs

Students will drag the cards onto the correct section ("function" or "not a function").

They can then share with you by emailing their copy or turning it in through Google Classroom.

A key is included, which you can remove before sharing with students or keep for self-checking.

Use this to assess that students understand that a function is a rule that assigns to each input exactly one output using multiple representations.

I hope you love these and your students learn it!

Please follow me! -8th Grade Math Teacher

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Function or Not a Function Digital Card Sort

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Rate of Change and Initial Value of Functions Worksheet

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Functions Posters Set

"How Our Class Functions" Poster

Function Patterns Activity Bundle

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Function or Not a Function Guided Notes and Digital Card Sort Activity

Rated 4.86 out of 5, based on 7 reviews
4.9 (7 ratings)
8th Grade Math Teacher
3.5k Followers
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Highlights

Digital downloads
Grades icon
Grades
8th - 9th
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Standards

What others say

"This was really great to use in my math class the students really enjoyed it. Lots of great resources. "
star
Erin T.

Save even more with bundles

This 8th grade functions resource bundle includes notes, activities, and vocabulary posters to help you with your functions unit. This bundle includes all 9 of these resources! Save over 25% with this bundle!Functions Posters Set- Ready-to-go word wall for your functions unit! This set of 5 printabl
Price $17.00Original Price $23.75Save $6.75
11

Description

With this bundle, you receive both guided notes and a digital card sort! This is all you need to teach your students how to identify if a relation is a function or not.

Guided Notes Graphic Organizer:

Here is a clear and organized way to teach teach your students the definition of a function and how to identify whether a relation is a function or not a function!

In this notes page, you can guide your students through examples and non-examples of function in these multiple representations:

  • table
  • graph
  • mapping diagram
  • set of ordered pairs

This graphic organizer makes it easy to compare and contrast the differences of functions and nonfunctions, which helps students understand the concept better.

Another option is to use this resource as a quick assessment after the lesson.

Digital Card Sort Activity:

Want to make sure your students know what a function is after you've gone over the notes? This quick digital card sort is a low-prep way to find out! The activity uses Google Slides to practice or assess if students can identify a function.

The 16 digital cards show:

  • graphs
  • tables
  • mapping diagrams
  • sets of ordered pairs

Students will drag the cards onto the correct section ("function" or "not a function").

They can then share with you by emailing their copy or turning it in through Google Classroom.

A key is included, which you can remove before sharing with students or keep for self-checking.

Use this to assess that students understand that a function is a rule that assigns to each input exactly one output using multiple representations.

I hope you love these and your students learn it!

Please follow me! -8th Grade Math Teacher

You may also like...

Function or Not a Function Digital Card Sort

Functions Scavenger Hunt Activity

Rate of Change and Initial Value Guided Notes

Rate of Change and Initial Value of Functions Worksheet

Linear vs Nonlinear Functions Guided Notes

Functions Posters Set

"How Our Class Functions" Poster

Function Patterns Activity Bundle

Report this resource to TPT
Reported resources will be reviewed by our team. Report this resource to let us know if this resource violates TPT's content guidelines.

Reviews

4.9
Rated 4.86 out of 5, based on 7 reviews
7
ratings
All verified TPT purchases
Great resource!
Rated 5 out of 5
November 3, 2025
Met expectations
Great value
Standards-aligned
Excellent notes for understanding functions! Thank you!
McMonigle Makes
(TPT Seller)
377 reviews • Pennsylvania
Grades taught: 10th
Student populations: Learning difficulties
Rated 5 out of 5
July 21, 2025
This was really great to use in my math class the students really enjoyed it. Lots of great resources.
Erin Trejo
(TPT Seller)
691 reviews
Grades taught: 8th
Rated 5 out of 5
July 24, 2023
I used this is a 7th grade accelerated class. It was easy to sort and organize the function/not a function examples.
Rosita P.
219 reviews
Grades taught: 7th
Rated 5 out of 5
October 12, 2022
Students began class with this digital resource. They were very engaged. I put the answer slide up after everyone finished so they could check their own work.
Veronica T.
3 reviews
Grades taught: 8th
Rated 5 out of 5
January 11, 2022
great resource
Mr Hart Teaches
(TPT Seller)
427 reviews
Grades taught: 8th
Student populations: Mild to severe disabilities
Rated 4 out of 5
September 7, 2021
I incorporated the worksheet into my notes as visual example of what is and is not a function. I love that students can see these examples side by side. The digital slides are great practice, but I did have to remake them because they are very small and difficult to read, but that was an easy fix for me. I also appreciate that it isn't split 50/50 as to how many answers fall in each box, so the students really have to trust themselves that they are sorting them correctly. I used both in class with my students, but the digital assignment would also work really well for virtual learning.
msmathteacher6
(TPT Seller)
169 reviews
Grades taught: 8th
Rated 5 out of 5
August 27, 2021
This resource is the perfect review for my 8th grade algebra class to review functions from pre-algebra. They enjoyed the digital activity, too. No-prep on my end-- thank you!
Amy S.
75 reviews
Grades taught: 8th

Questions & Answers

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Standards

to see state-specific standards (only available in the US).
Understand that a function is a rule that assigns to each input exactly one output. The graph of a function is the set of ordered pairs consisting of an input and the corresponding output.
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