Free Printable WorksheetMathGrade 8Math Curriculum8.F.A.1

8.93 Identifying Functions from Mapping Diagrams Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Grade 8 Math worksheet provides structured practice on 8.93 Identifying Functions from Mapping Diagrams. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

8.93 Identifying Functions from Mapping Diagrams - Which mapping diagram represents a function? (CCSS 8.F.A.1; CA 8.F.A.1; MA 8.F.A.1)

Whether you are an educator preparing classroom handouts, a tutor reinforcing weekly topics, or a parent supporting homeschool learning, this printable resource gives students the deliberate practice required to achieve subject fluency and master state standards.

Grade

Grade 8

Subject

Math

Domain

Math Curriculum

Formats

PDF & DOCX

Sample Practice Problems

Preview the types of problems and questions covered in this worksheet

Below are sample questions representative of the exercises included on this worksheet and related 8.93 Identifying Functions from Mapping Diagrams skill assessments:

Problem 1Difficulty: Hard

Which situation-based mapping diagram represents a function?

Ausername -> avatar color: maya7 -> Silver; sky8 -> Silver; sky8 -> Black; zen4 -> Silver; luna5 -> Silver

Brecipe code -> prep station: R2 -> Station B; R1 -> Station C; R6 -> Station A; R7 -> Station D

Cticket number -> seat number: T14 -> B5; T44 -> C3; T18 -> B2; T18 -> C1; T57 -> D2

Dpackage code -> delivery zone: PK1 -> Zone East; PK2 -> Zone North; PK5 -> Zone East; PK1 -> Zone North; PK3 -> Zone West; PK7 -> Zone East

Solution & Explanation:The correct option is the one where every input item has exactly one output item. In the other options, one input points to two different outputs.

Problem 2Difficulty: Hard

A mapping diagram shows bus pass -> route color: P21 -> Green; P67 -> Blue; P52 -> Blue; P40 -> Yellow; P18 -> Yellow. Which statement is correct?

AIt is not a function because the route color Blue is used more than once.

BIt is a function only if each route color is used once.

CIt is not a function because there are several bus pass values.

DIt is a function because each bus pass has exactly one route color.

Solution & Explanation:The mapping is a function. Every bus pass appears once and has one route color. Different inputs may share the same output, such as Blue.

Problem 3Difficulty: Hard

A mapping diagram shows ticket number -> seat number: T63 -> A1; T57 -> C1; T44 -> D2; T44 -> A1; T31 -> A1. Which statement is correct?

AIt is a function because most ticket number values have one output.

BIt is not a function because some outputs repeat.

CIt is a function because every listed seat number is in the range.

DIt is not a function because T44 points to both D2 and A1.

Solution & Explanation:The mapping is not a function because input T44 has two outputs: D2 and A1.

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Frequently Asked Questions

Common questions about printing, using, and solving this worksheet

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Grade 8 Math students. It aligns with educational standard 8.F.A.1 (CCSS 8.F.A.1 focuses on understanding that a function gives each input exactly one output. In this skill, students decide from mapping diagrams whether a relation follows that rule.).