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Perimeter of rectangles — free printable Grade 3 math worksheet

Perimeter of rectangles

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

This worksheet helps students practice finding the perimeter of rectangles by applying the perimeter formula and solving related problems. Teachers can use it to reinforce concepts of measurement and geometry in Grade 3 math lessons. It is ideal for classroom activities, homework, or assessment to build students' confidence in calculating perimeters.

Math
Measurement
Grade 3
Worksheets
Ages 8–9
medium

Learning objectives

  • Calculate the perimeter of rectangles using given side lengths
  • Apply the formula for perimeter to solve real-world rectangle problems
  • Demonstrate understanding of perimeter by drawing rectangles with specified perimeters

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 rectangles” worksheet free?

Yes. “Perimeter of rectangles” 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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Perimeter of rectangles — Grade 3 Math Worksheet | KiwiBee