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Finding Perimeter Word Problems Worksheet

This Finding Perimeter Word Problems Worksheet gives 3rd Grade students four real life perimeter problems with room to show their work, plus an answer key, so measurement practice feels useful.

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About this resource

Description

Perimeter in Real Situations

Perimeter is one of the first measurement ideas that leaves the page and shows up in a child’s real life: the fence around a garden, the ribbon around a rug, the frame around a picture. Third graders who can add the sides of a shape still stall when the sides arrive inside a story instead of on a diagram. This Finding Perimeter Word Problems Worksheet gives students four short situations, a reminder of what perimeter means, and a work box in every problem so their thinking has somewhere to live.

The four problems build on each other. The first asks for the perimeter of a rectangular garden from its length and width. The second turns the skill around and gives the perimeter of a square picture frame, so the student has to find one side. The third uses a hexagon with six equal sides, which invites repeated addition or multiplication. The fourth is a two step problem: find the perimeter of a rug, then subtract it from a roll of ribbon to see how much is left. An answer key with the full working is included on the second page.

What’s Included

  • One printable worksheet page with four perimeter word problems
  • A work box inside every problem for drawing and computing
  • A reminder panel that defines perimeter in student friendly words
  • An original illustration of a student measuring a garden bed
  • A complete answer key that shows the working, not just the answers

Three Reasons This Helps Kids

  • Word problems make students decide which measurement to find before they compute, which is the part a bare diagram skips.
  • Working backwards from a known perimeter to one side builds the flexible thinking that 3.MD.8 asks for.
  • The two step ribbon problem practices perimeter and subtraction together, so the skill transfers instead of sitting alone.

Teacher and Parent Ideas

Ask students to sketch each shape inside the work box and label every side before they add. That one habit catches the most common mistake, which is adding only two sides of a rectangle. Pairs can trade papers and check whether their partner’s answer includes the correct unit, since feet, inches and centimeters all appear on this page. For an extension, hand out tape measures and let students find the perimeter of a desk, a book or a rug in the room, then write their own perimeter word problems for a classmate. These perimeter practice problems also work well as a warm up before a lesson on area, so students can feel the difference between measuring around a shape and covering it. A second Finding Perimeter Word Problems Worksheet from the related resources below makes a natural follow up.

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