Printable Perimeter Worksheet | Grade 4 Math

This comprehensive worksheet provides essential practice for Grade 4 students learning to calculate the perimeter of various polygons. Through a series of 20 carefully structured problems, learners will build confidence and precision in applying perimeter formulas to both regular and irregular shapes, solidifying a foundational geometric skill.

At a Glance

• Grade: 4 · Subject: Math
• Standard: CCSS.MATH.CONTENT.4.MD.A.3 — Apply perimeter formulas for rectangles in real world problems.
• Skill Focus: Calculating Perimeter
• Format: 4 pages · 20 problems · Answer key included · PDF
• Best For: Independent practice, skill reinforcement, or homework.
• Time: 25–40 minutes

What's Inside

Spanning four pages, this PDF includes 20 problems to build mastery of perimeter. The first three pages present polygons of increasing complexity, while the final page features two multi-step word problems. A complete, page-by-page answer key is provided for efficient grading and student review.

A Clear Path to Mastery

This worksheet follows a gradual-release model:

• Guided Practice: Initial problems (1-6) use straightforward shapes, ideal for modeling the process of adding side lengths.
• Supported Practice: Problems on the next two pages (7-18) introduce more complex shapes, perfect for paired work or teacher-supported practice.
• Independent Practice: The final two word problems (19-20) require students to independently interpret and solve real-world scenarios. This "I Do, We Do, You Do" structure ensures every student can achieve success.

Aligned with Common Core

This worksheet is aligned with standard CCSS.MATH.CONTENT.4.MD.A.3, which requires students to apply perimeter formulas in mathematical problems. It also supports skills from 3.MD.D.8. Both standard codes can be copied directly into lesson plans, IEP goals, or district curriculum mapping tools.

Flexible for Any Classroom

Use this resource as independent practice after a lesson on perimeter or as a homework assignment. For a quick formative assessment, circulate as students work on page two to spot misconceptions with irregular shapes. Most students will complete the worksheet in 25 to 40 minutes.

Designed for Grade 4

This worksheet is ideal for fourth-grade students, but also serves as review for fifth graders or an extension for advanced third graders. Its clear layout is accessible to all learners. For students needing support, pair this with an anchor chart showing a worked example. It's a great follow-up to a hands-on activity using manipulatives.

Focused procedural practice remains a critical component of mathematical proficiency, enabling students to internalize algorithms like calculating perimeter. This worksheet provides practice aligned with CCSS.MATH.CONTENT.4.MD.A.3, where students apply perimeter formulas. Research from Fisher & Frey (2014) emphasizes the importance of moving students from guided to independent practice, a structure embedded in this resource's design. By offering 20 problems that progress in complexity, the worksheet helps develop the procedural fluency that the NAEP framework identifies as a key aspect of mathematical ability. The inclusion of word problems ensures students connect the abstract calculation to real-world applications, a necessary step for developing a robust understanding of geometric concepts and achieving mastery of the standard.