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Calculating Perimeter Worksheet

Find the perimeter of five shapes, including a decagon, pentagon and star.
Grades
Grades 3–5, Elementary
Pages
1
File type
PDF
Preparation
Print ready

Updated Jul 25, 2021

Subject
Math, Geometry, Measurements
Topic
Perimeter, Polygons
Resource types
Worksheets & Printables, Worksheets
Preparation
Print ready

About this resource

What's inside this resource

This worksheet is a great resource for teachers who want to help their students practice finding the perimeter of two-dimensional shapes. The worksheet includes a variety of shapes, some with missing side lengths, so students can get plenty of practice.

In the classroom

Teaching tips & learning objectives

Learning objectives

  • Explain perimeter as the total distance around a shape.

Teaching tips

  • Mark each outside edge as students include it in their sum. Where lengths are omitted, discuss the equal-side assumption before calculating.

Skills covered

  • Adding side lengths

  • Identifying equal sides

Good to know

Questions teachers ask about this resource

Are all side lengths written on the shapes?

No. Some questions rely on identifying equal sides from the intended shape.

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Resource details

Concepts & topics

Core concepts

  • Perimeter

  • Polygon sides

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