Classweekly

8th Grade What Is a Function Worksheets

Ages 13-14 · Free previews · Print-ready PDFs

Written by Adi Ackerman, Head Teacher

A function is a relation where each input is paired with exactly one output. There are 6 sheets for 8th grade here, each with an answer key. Students test sets of ordered pairs and write domain and range, read input and output tables and mapping diagrams, and use the vertical line test on graphs. Check for Functions in Five Forms sorts 20 cards, including rules like each person paired with their age. Every sheet practices 8.F.A.1.

More functions worksheets

Explore all of our 8th grade functions worksheets, covering what is a function, linear and nonlinear functions, comparing and modeling functions, qualitative graphs, and more.

Frequently Asked Questions

A relation is any set of input and output pairs. A function is a relation where no input has two different outputs. What Makes a Relation a Function asks students to name the input that breaks the rule.

What is ClassWeekly?

ClassWeekly offers free worksheets and printable learning resources for kids, from preschool up. All worksheets are aligned to Common Core, NGSS, and C3 Framework standards and designed by educators. Become a member to access the full library and download unlimited PDFs.