Free Printable WorksheetMathGrade 3Math Curriculum3.MD.D.8

3.101 Perimeter of Polygons and Area Perimeter Reasoning Worksheet

Download our free printable Grade 3 Math worksheet on 3.101 Perimeter of Polygons and Area Perimeter Reasoning. Ideal for classroom practice, homeschool learning, independent homework, and standardized test preparation. Available in both print-ready PDF and editable DOCX formats.

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Grade 3 Math worksheet provides structured practice on 3.101 Perimeter of Polygons and Area Perimeter Reasoning. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Select the correct perimeter, choose a missing side length that completes a perimeter, and identify whether a situation is about area or perimeter. (CCSS 3.MD.D.8)

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 3

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 3.101 Perimeter of Polygons and Area Perimeter Reasoning skill assessments:

Problem 1Difficulty: Mastery
Which answer best explains how to decide whether a problem asks for area or perimeter?
AArea means around the outside, and perimeter means covering inside.
BArea and perimeter always mean the same thing.
CArea is the space inside, and perimeter is the distance around the outside.
DPerimeter uses square units, and area uses feet only.
Solution & Explanation:Area measures inside space. Perimeter measures the distance around the outside edge of a shape.
Problem 2Difficulty: Mastery
A dog run has perimeter 90 feet. Three side lengths are 26 feet, 19 feet, and 26 feet. What is the missing side length? Enter the number only.
Solution & Explanation:Add the known sides: 26 + 19 + 26 = 71. Then 90 - 71 = 19 feet.
Problem 3Difficulty: Mastery
A diagram shows an octagon with side labels 4 cm, 4 cm, 6 cm, 6 cm, 7 cm, 7 cm, 8 cm, and 8 cm. What is the perimeter?
A42 cm
B46 cm
C48 cm
D50 cm
Solution & Explanation:Add all eight side lengths: 4 + 4 + 6 + 6 + 7 + 7 + 8 + 8 = 50 cm.

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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 3 Math students. It aligns with educational standard 3.MD.D.8 (Primary standard selected for prompt fields in this prompt cell: CCSS 3.MD.D.8. Skill statement in this prompt cell: Select the correct perimeter, choose a missing side length that completes a perimeter, and identify whether a situation is about area or perimeter. Associated standards listed with this skill in this prompt cell: CCSS 3.MD.D.8. Use this prompt-provided wording as the supporting standard description for this workflow.).

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