Grade 3 · Perimeter
Grade 3 Perimeter Worksheets
Printable Grade 3 perimeter worksheets, sized to fit one page. Download a free sample below, or pick beginner, intermediate, or advanced and generate a fresh pack with answer keys in seconds. No AI, no wrong answers.
Create free worksheets →Free to start · answer keys included · free accounts get 14 days of Standard · no card required.
Grade 3 examples by level
- BeginnerFind the perimeter =Answer20 cm
- IntermediateFind the perimeter =Answer38 cm
- AdvancedFind the perimeter =Answer34 cm
Real problems from the generator: always mathematically correct, and every pack is different.
Download a free Grade 3 perimeter worksheet
One page, ready to print, no account needed. Pick a level:
These three sheets are fixed, so you can bookmark or share them and get the same page back. Answer keys and fresh numbers come with a free account.
Why Grade 3 perimeter practice matters
Picture fencing a yard: what matters is the total length of fence, not the space inside it. That's perimeter, and tracing the outline first is what makes the idea concrete before the formula takes over.
Grade 3 is where Mathter's perimeter worksheets first appear. Grade 4 picks up from here with more advanced problems.
Want the full method, tips, and common mistakes? Read the Perimeter Worksheets guide.
Frequently asked questions
- What's on a Grade 3 perimeter worksheet?
- Each pack has up to 12 questions per page with a matching answer key, tuned to Grade 3, with beginner, intermediate, and advanced options so a teacher, tutor, or parent can match the learner's level.
- How do you find the perimeter of a rectangle?
- Add all four sides, or use 2 × (length + width).
- What unit is perimeter measured in?
- A length unit like cm or m, not square units.
Make a Grade 3 perimeter pack
Pick your options and print in seconds, with answer keys included.
Create free worksheetsFree to start · answer keys included · free accounts get 14 days of Standard · no card required.