Free Printable WorksheetMathGrade 8Math Curriculum7.NS.A.1-3

8.20 Operating with Rational Numbers Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Grade 8 Math worksheet provides structured practice on 8.20 Operating with Rational Numbers. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

8.20 Operating with Rational Numbers - Which result is correct for the rational-number operation or multi-step computation shown? (CCSS 7.NS.A.1-3; CA 7.NS.A.1-3; MA 7.NS.A.1-3)

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 8.20 Operating with Rational Numbers skill assessments:

Problem 1Difficulty: Hard
Evaluate: [(-2.25) + (-1.75)] x (-1.5) + (-0.5)
Solution & Explanation:Add inside the brackets first: (-2.25) + (-1.75) = -4. Then -4 x (-1.5) = 6, and 6 + (-0.5) = 5.5.
Problem 2Difficulty: Hard
Which result is correct for [(-9/8) divided by (-3/4)] + (-5/6)?
A7/6
B2/3
C-2/3
D1/6
Solution & Explanation:Divide first: (-9/8) divided by (-3/4) = (-9/8) x (-4/3) = 3/2. Then 3/2 + (-5/6) = 9/6 - 5/6 = 4/6 = 2/3.
Problem 3Difficulty: Hard
A football team starts with -3.5 total yards on a play sequence, then gains 12.25 yards, loses 4.75 yards, and gains 1 yard. What is the net yardage now?
Solution & Explanation:Combine the changes: -3.5 + 12.25 = 8.75, 8.75 - 4.75 = 4, and 4 + 1 = 5.

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Frequently Asked Questions

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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 7.NS.A.1-3 (Primary standard selected for prompt fields: CCSS 7.NS.A.1-3. Skill statement: Which result is correct for the rational-number operation or multi-step computation shown? Associated standards listed with this skill: CCSS 7.NS.A.1-3; CA 7.NS.A.1-3; MA 7.NS.A.1-3. Use this embedded wording as the best available supporting standard description for this workflow.).

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