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Ribbon Borders: Perimeter in the Craft Room worksheet preview

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Ribbon Borders: Perimeter in the Craft Room

Grade 3 perimeter practice with craft-room shapes: find the perimeter of polygons and solve for an unknown side length.

Grade 3MathInteractive · Printable

Aligned to3.MD.D.8

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What’s included

  • Single worksheet
  • Auto-graded online
  • 1 Common Core standard
  • Printable answer key
  • 15 questions
  • Classroom-ready

Details

Format
Interactive · Printable
Grade
Grade 3
Subject
Math
Question types
Fill in the blank, Multiple choice, Matching, Circle the answer, Sorting, Short answer

About this worksheet

What students practice

  • Students find the perimeter of polygons by adding the lengths of all the sides.
  • Students find an unknown side length when they know the perimeter and the other sides.
  • Students compare the perimeters of rectangles and other polygons in word problems.

How to use

Use after students learn that perimeter is the distance around a shape. Encourage them to sketch each shape and label every side before adding, especially for rectangles where only two sides are given.

Curriculum

Common Core standard covered

3.MD.D.8

Solve problems about perimeters of polygons, including finding an unknown side length.

Preview

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Name Date

Ribbon Borders: Perimeter in the Craft Room

Add up the sides to find how much ribbon goes around each shape.

Ribbon all the way around

Find the perimeter of each shape. Remember to add every side.

1.
Lena glues ribbon around the edge of a rectangle card. The card is 7 inches long and 4 inches wide. How much ribbon does she need?

  inches

2.
A sticker is a hexagon with 6 equal sides. Each side is 3 centimeters long. What is the perimeter of the sticker?

  centimeters

3.
Diego makes a cardboard picture frame with 4 sides. The sides are 14 centimeters, 9 centimeters, 8 centimeters, and 9 centimeters long. What is the perimeter of the frame?

  centimeters

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