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Perimeter of polygons — free printable Grade 3 math worksheet

Perimeter of polygons

Free printable Grade 3 math worksheet for "Perimeter of polygons" — practice perimeter. No-prep, print or assign online.

This worksheet helps students practice finding the perimeter of different polygons through hands-on exercises. Teachers can use it to reinforce concepts of measuring and adding side lengths, enhancing students' understanding of geometric properties. Ideal for Grade 3 math lessons focused on perimeter, it supports skill development with medium difficulty tasks.

Math
Measurement
Grade 3
Worksheets
Ages 8–9
medium

Learning objectives

  • Calculate the perimeter of various polygons by adding the lengths of their sides
  • Identify and label the sides of polygons to determine their perimeters
  • Apply perimeter formulas to solve real-world problems involving polygons

How to use this worksheet

  1. Click “Download Worksheet” to get the PDF — free with a KiwiBee account (up to 25 downloads a month).
  2. Print at home or in class for Grade 3; it's no-prep, with no extra materials needed.
  3. Hand it out as classwork, homework, or a quick warm-up.

Frequently asked questions

Is the “Perimeter of polygons” worksheet free?

Yes. “Perimeter of polygons” is a free printable Math worksheet. Sign in with a free KiwiBee account to download the PDF — it includes up to 25 downloads a month.

What grade or age is this Math worksheet for?

It's designed for Grade 3 (ages 8–9), covering Perimeter.

Do I need to prep anything?

No. It's a no-prep, print-and-go worksheet — just download and hand it out.

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