Identifying Functions (ordered pairs, tables, mappings, graphs) TASK CARDS

Identifying Functions (ordered pairs, tables, mappings, graphs) TASK CARDS
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(11 MB|3(6) task cards + 2 student worksheet + 1 answer key)
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  • StandardsNEW

In this Identifying Functions - Task cards activity, students will go over 18 task cards and identify the functions. In the student worksheet provided, students must circle yes or no under “is it a function?”, and if not, explain why not. Then they must write the output for 3 given functions, and explain what makes a relation a function. This activity can be done individually or in groups. My favorite is in groups of 3 or 4 because I ask the students to not share their answers with their group until everyone is done and discuss the ones that are different. I love it when they explain their answers to their classmates. Also, being in small groups makes them feel more comfortable.

Just print, cut and go! If you’re short in time, you can ask your students to cut the task cards as part of the activity. My students love when the activity involves something other than math :D

Hits CC Standards 8.F.A.1 and HSF-IF.A.1, and TEKS 8.5G.

Save $$$ and time by downloading the complete 8th Grade Math Unit10 Making Connections (End of Year Activities) (STAAR review) 44%OFF that includes this and other great activities

✔ Excellent for class or homework!

✔ Just print and go!

✔ Answer key included!

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Purchase of this unit entitles the purchaser only the right to reproduce the pages in limited quantities for classroom use only. Duplication for an entire school, an entire school system or commercial purposes is strictly forbidden without written permission from the publisher. Licenses are non-transferable and therefore can not be passed from one teacher to another. No part of this resource is to be shared with colleagues or used by an entire team, grade level, school or district without purchasing the correct number of licenses. If you are a coach, principal or district interested in transferable licenses that would accommodate yearly staff changes, please contact me for a transferable license quote at

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Log in to see state-specific standards (only available in the US).
Understand that a function from one set (called the domain) to another set (called the range) assigns to each element of the domain exactly one element of the range. If 𝘧 is a function and 𝘹 is an element of its domain, then 𝘧(𝘹) denotes the output of 𝘧 corresponding to the input 𝘹. The graph of 𝘧 is the graph of the equation 𝘺 = 𝘧(𝘹).
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.
Total Pages
3(6) task cards + 2 student worksheet + 1 answer key
Answer Key
Teaching Duration
1 hour
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