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Find the Input Worksheets | DMAS with Positive & Negative Numbers | Input-Output Function Tables | PDF Printables:
Challenge your students’ critical thinking and reverse operation skills with these engaging Find the Input Worksheets! Focused on all four basic math operations — Division, Multiplication, Addition, and Subtraction (DMAS) — this resource helps students determine the missing input when the rule and output are given, using both positive and negative integers.

What’s Included:
All the basic operators employed
Mixed Numbers DMAS operation tables
Answer Keys for all worksheets

Key Features:
24 printable PDF worksheets
Given: the rule and output → Find: the correct input
Includes both positive and negative integers
Builds understanding of inverse operations
Suitable for Grades 6–9, ideal for Pre-Algebra and Algebra 1
Clean, organized layout for independent or group work
Aligned with Common Core and other math standards

Learning Objectives:
Use inverse operations to find missing inputs
Strengthen understanding of DMAS with signed numbers
Develop logical reasoning and equation-solving foundations
Prepare for more advanced algebraic concepts
Perfect For:
Warm-ups and classwork
Homework or intervention
Worksheets are made in 8.5” x 11” Standard Letter Size. This resource is helpful in students’ assessment, Independent Studies, group activities, practice and homework. This product is available in PDF format and ready to print as well.