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Free printable · GRADE 3

Walk the edge

Measure the trip around thirty-five rectangles with side lengths in centimeters.

5 student pagesUS LetterSeparate answer key

Ready for an easy offline practice session? Download the student pages below. The answer key is its own file so it stays with the grown-up.

Both files are free PDFs. You can print only the pages you need. No account or email address is required.

First page of the Rectangle perimeter student worksheet
Preview: student worksheet, page 1 of 5
Inside this pack

Practice with a purpose.

  • 35 labeled rectangles
  • A space to add all four sides
  • A separate parent answer key
Grown-up trail note

Make room for thinking.

Trace all four sides with a finger. A perimeter is the full trip around the outside.

Based on Math Buddies lesson targets 3-u11-l3 · 3-u11-l4. The printed questions are curated for this pack.